content: add some explanations to 737 questions (#96)

apps/next-app/pages/modules/[questionBank]/settings/index.page.tsx

@@ -22,7 +22,7 @@ const Page: NextPage<PageProps> = ({ questionBank }) => {
   ] as Breadcrumbs;
 
   return (
-    <LayoutModule questionBank={questionBank} breadcrumbs={crumbs} fixedHeight>
+    <LayoutModule questionBank={questionBank} breadcrumbs={crumbs}>
       <AppHead />
       <UserSettings />
     </LayoutModule>

libs/content/question-bank-type/__old__/737.json

@@ -9324,42 +9324,7 @@
     "id": "jjjb95",
     "explanation": "",
     "learningObjectives": ["B737"],
-    "variants": {
-      "as0oz": {
-        "id": "as0oz",
-        "type": "simple",
-        "question": "The purpose of the landing gear transfer unit is to:",
-        "options": [
-          {
-            "id": "uafie7",
-            "text": "Automatically use hydraulic system B for landing gear retraction if hydraulic system A engine driven pump fails and the landing gear lever is positioned up",
-            "correct": false,
-            "why": ""
-          },
-          {
-            "id": "9co2f",
-            "text": "Automatically use hydraulic system B for gear retraction if No 1 engine is lost and the landing gear lever is positioned up",
-            "correct": true,
-            "why": ""
-          },
-          {
-            "id": "665xz",
-            "text": "Allow the use of nose wheel steering in the event of hydraulic system A fails",
-            "correct": false,
-            "why": ""
-          },
-          {
-            "id": "obpl2w",
-            "text": "Allow landing gear retraction if hydraulic system B is lost during takeoff",
-            "correct": false,
-            "why": ""
-          }
-        ],
-        "explanation": "> ## Landing Gear Transfer Unit\n> \n> The purpose of the landing gear transfer unit is to supply the volume of hydraulic\n> fluid needed to raise the landing gear at the normal rate when system A\n> engine–driven pump volume is lost. The system B engine–driven pump supplies\n> the volume of hydraulic fluid needed to operate the landing gear transfer unit\n> when all of the following conditions exist:\n> - airborne\n> - No. 1 engine RPM drops below a limit value\n> - landing gear lever is positioned UP\n> - either main landing gear is not up and locked.",
-        "annexes": [],
-        "externalIds": []
-      }
-    }
+    "variants": {}
   },
   {
     "id": "80pwx8",

libs/content/question-bank-type/questions/B737/737.02.json

@@ -83,7 +83,7 @@
   },
   {
     "id": "h3ia",
-    "explanation": "",
+    "explanation": "### TRIP RESET Switch\n\n- resets BLEED TRIP OFF, PACK or ZONE TEMP lights\n\n- related engine bleed air valve opens, or related pack valve opens, or related trim air modulating valve opens",
     "learningObjectives": ["B737.02"],
     "variants": {
       "hmkql": {
@@ -450,7 +450,7 @@
   },
   {
     "id": "np5w1",
-    "explanation": "",
+    "explanation": "Bleed air is taken from **stage 5** from the **low pressure** compressor and **stage 9** of the **high pressure compressor**.",
     "learningObjectives": ["B737.02"],
     "variants": {
       "f4zwnj": {
@@ -461,6 +461,58 @@
         "explanation": "",
         "annexes": [],
         "externalIds": []
+      },
+      "f4zwng": {
+        "id": "f4zwng",
+        "type": "true-or-false",
+        "question": "Bleed air is taken from stage 5 and stage 9 of the high pressure compressor.",
+        "answer": false,
+        "explanation": "",
+        "annexes": [],
+        "externalIds": []
+      },
+      "f4zWnb": {
+        "id": "f4zWnb",
+        "type": "true-or-false",
+        "question": "Bleed air is taken from stage 5 from the low pressure compressor and stage 9 of the high pressure compressor.",
+        "answer": false,
+        "explanation": "",
+        "annexes": [],
+        "externalIds": []
+      },
+      "i8bbqh": {
+        "id": "i8bbqh",
+        "type": "simple",
+        "question": "Which statement is correct:",
+        "options": [
+          {
+            "id": "4ha3ff",
+            "text": "Bleed air is constantly provided from stage 5 and stage 9 of the compressor.",
+            "correct": false,
+            "why": ""
+          },
+          {
+            "id": "bc8lm",
+            "text": "Bleed air is only supplied from the 9th stage when the valve modulates open if bleed air requirement is greater than the 5th stage alone can supply.",
+            "correct": true,
+            "why": ""
+          },
+          {
+            "id": "m6ni5i",
+            "text": "Bleed air is only supplied from the 5th stage when the valve modulates open if bleed air requirement is greater than the 9th stage alone can supply.",
+            "correct": false,
+            "why": ""
+          },
+          {
+            "id": "mljcp",
+            "text": "----",
+            "correct": false,
+            "why": ""
+          }
+        ],
+        "explanation": "",
+        "annexes": [],
+        "externalIds": []
       }
     }
   },
@@ -546,47 +598,6 @@
       }
     }
   },
-  {
-    "id": "412mv",
-    "explanation": "",
-    "learningObjectives": ["B737.02"],
-    "variants": {
-      "i8bbqh": {
-        "id": "i8bbqh",
-        "type": "simple",
-        "question": "Which statement is correct:",
-        "options": [
-          {
-            "id": "4ha3ff",
-            "text": "Bleed air is constantly provided from stage 5 and stage 9 of the compressor.",
-            "correct": false,
-            "why": ""
-          },
-          {
-            "id": "bc8lm",
-            "text": "Bleed air is only supplied from the 9th stage when the valve modulates open if bleed air requirement is greater than the 5th stage alone can supply.",
-            "correct": true,
-            "why": ""
-          },
-          {
-            "id": "m6ni5i",
-            "text": "Bleed air is only supplied from the 5th stage when the valve modulates open if bleed air requirement is greater than the 9th stage alone can supply.",
-            "correct": false,
-            "why": ""
-          },
-          {
-            "id": "mljcp",
-            "text": "----",
-            "correct": false,
-            "why": ""
-          }
-        ],
-        "explanation": "",
-        "annexes": [],
-        "externalIds": []
-      }
-    }
-  },
   {
     "id": "fym5q",
     "explanation": "",

libs/content/question-bank-type/questions/B737/737.06.json

@@ -304,7 +304,7 @@
   },
   {
     "id": "kkksb",
-    "explanation": "",
+    "explanation": "In–flight, an amber TR UNIT light illuminates if TR1, or TR2 and TR3 has failed.\n\nOn the ground, any TR fault causes the light to illuminate",
     "learningObjectives": ["B737.06"],
     "variants": {
       "f183a": {
@@ -340,6 +340,40 @@
         "explanation": "",
         "annexes": [],
         "externalIds": []
+      },
+      "fg83b": {
+        "id": "fg83b",
+        "type": "simple",
+        "question": "The amber TR UNIT light illuminated while on the ground indicates if?",
+        "options": [
+          {
+            "id": "qkd9u",
+            "text": "TR1 and TR2 have failed, or TR3 has failed.",
+            "correct": false,
+            "why": ""
+          },
+          {
+            "id": "41jw4",
+            "text": "One TR has failed.",
+            "correct": true,
+            "why": ""
+          },
+          {
+            "id": "7gq6w",
+            "text": "TR1 has failed, or TR2 and TR3 have failed.",
+            "correct": false,
+            "why": ""
+          },
+          {
+            "id": "scgr5",
+            "text": "All three TRs have failed.",
+            "correct": false,
+            "why": ""
+          }
+        ],
+        "explanation": "",
+        "annexes": [],
+        "externalIds": []
       }
     }
   },
@@ -746,7 +780,7 @@
   },
   {
     "id": "ifs1zk",
-    "explanation": "",
+    "explanation": "Generator Drive Disconnect (DISCONNECT) Switches (guarded)\n\nDisconnects IDG if electrical power is available and engine start lever is in IDLE. IDG cannot be reconnected in the air.",
     "learningObjectives": ["B737.06"],
     "variants": {
       "6x6cs": {

libs/content/question-bank-type/questions/B737/737.13.json

@@ -582,9 +582,43 @@
   },
   {
     "id": "9jghi",
-    "explanation": "",
+    "explanation": "> ## Landing Gear Transfer Unit\n> \n> The purpose of the landing gear transfer unit is to supply the volume of hydraulic\n> fluid needed to raise the landing gear at the normal rate when system A\n> engine–driven pump volume is lost. The system B engine–driven pump supplies\n> the volume of hydraulic fluid needed to operate the landing gear transfer unit\n> when all of the following conditions exist:\n> - airborne\n> - No. 1 engine RPM drops below a limit value\n> - landing gear lever is positioned UP\n> - either main landing gear is not up and locked.",
     "learningObjectives": ["B737.13"],
     "variants": {
+      "as0oz": {
+        "id": "as0oz",
+        "type": "simple",
+        "question": "The purpose of the landing gear transfer unit is to:",
+        "options": [
+          {
+            "id": "uafie7",
+            "text": "Automatically use hydraulic system B for landing gear retraction if hydraulic system A engine driven pump fails and the landing gear lever is positioned up",
+            "correct": false,
+            "why": ""
+          },
+          {
+            "id": "9co2f",
+            "text": "Automatically use hydraulic system B for gear retraction if No 1 engine is lost and the landing gear lever is positioned up",
+            "correct": true,
+            "why": ""
+          },
+          {
+            "id": "665xz",
+            "text": "Allow the use of nose wheel steering in the event of hydraulic system A fails",
+            "correct": false,
+            "why": ""
+          },
+          {
+            "id": "obpl2w",
+            "text": "Allow landing gear retraction if hydraulic system B is lost during takeoff",
+            "correct": false,
+            "why": ""
+          }
+        ],
+        "explanation": "",
+        "annexes": [],
+        "externalIds": []
+      },
       "oubsui": {
         "id": "oubsui",
         "type": "simple",
@@ -705,13 +739,31 @@
   },
   {
     "id": "9gdph",
-    "explanation": "",
+    "explanation": "The hydraulic system quantity is displayed on the **lower DU** by digital indication from 0 to **106%.**",
     "learningObjectives": ["B737.13"],
     "variants": {
       "m1sd1f": {
         "id": "m1sd1f",
         "type": "true-or-false",
-        "question": "The hydraulic system quantity is displayed on the lower DU by digital indication from 0 to 100%.",
+        "question": "The hydraulic system quantity is displayed on the upper DU by digital indication from 0 to 106%.",
+        "answer": false,
+        "explanation": "",
+        "annexes": [],
+        "externalIds": []
+      },
+      "m1sd1g": {
+        "id": "m1sd1g",
+        "type": "true-or-false",
+        "question": "The hydraulic system quantity is displayed on the lower DU by digital indication from 0 to 106%.",
+        "answer": true,
+        "explanation": "",
+        "annexes": [],
+        "externalIds": []
+      },
+      "m1sdhf": {
+        "id": "m1sdhf",
+        "type": "true-or-false",
+        "question": "The hydraulic system quantity is displayed on the upper DU by digital indication from 0 to 100%.",
         "answer": false,
         "explanation": "",
         "annexes": [],

libs/content/question-bank-type/questions/B737/737.14.json

@@ -254,7 +254,7 @@
   },
   {
     "id": "1d0wxi",
-    "explanation": "",
+    "explanation": "> **Autobrake – Disarm**\n\n>\n\n> The pilots may disarm the autobrake system by moving the selector switch to the\n\n> OFF position. This action does not cause the AUTO BRAKE DISARM light to\n\n> illuminate. After braking has started, any of the following pilot actions disarm the\n\n> system immediately and illuminate the AUTO BRAKE DISARM light:\n\n>   • moving the SPEED BRAKE lever to the down detent\n\n>   • advancing the forward thrust lever(s), except during the first 3 seconds after touchdown for landing\n\n>   • applying manual brakes.",
     "learningObjectives": ["B737.14"],
     "variants": {
       "thzm2": {
@@ -266,7 +266,7 @@
             "id": "xcdlc",
             "text": "Applying manual brakes, Moving Speed Brake lever to DOWN detent or Advancing forward thrust levers immediately after touchdown.",
             "correct": false,
-            "why": ""
+            "why": "Immediately applying thrust will not cancel autobrake. Only after 3 seconds."
           },
           {
             "id": "5tm1j",

libs/core/app/src/index.ts

@@ -4,3 +4,4 @@ export * from "./questions/get-question-preview";
 export * from "./random/random";
 export * from "./tests/create-test";
 export * from "./tests/process-test";
+export * from "./tests/get-number-of-available-questions";

libs/core/app/src/tests/create-test.ts

@@ -16,10 +16,12 @@ export type NewTestConfiguration = {
   mode: "study" | "exam";
   questionBank: QuestionBankName;
   subject: string;
+
   numberOfQuestions: number;
   learningObjectiveIds: string[];
   seed?: string;
   title?: string;
+  sortQuestionsByChapter?: boolean;
 };
 
 export const newTestConfigurationSchema: z.ZodType<NewTestConfiguration> =
@@ -31,6 +33,7 @@ export const newTestConfigurationSchema: z.ZodType<NewTestConfiguration> =
     numberOfQuestions: z.number().min(1).max(200),
     seed: z.string().optional(),
     title: z.string().optional(),
+    sortQuestionsByChapter: z.boolean().optional(),
   });
 
 export const createTest = async ({

libs/core/app/src/tests/get-number-of-available-questions.ts

@@ -0,0 +1,26 @@
+import type { LearningObjectiveId } from "@chair-flight/base/types";
+
+export const getNumberOfAvailableQuestions = (
+  subject: {
+    learningObjectives: Array<{
+      id: LearningObjectiveId;
+      numberOfQuestions: number;
+      learningObjectives: Array<{
+        id: LearningObjectiveId;
+        numberOfQuestions: number;
+      }>;
+    }>;
+  },
+  selectedLearningObjectives: LearningObjectiveId[],
+) => {
+  return subject.learningObjectives.reduce((sum, lo) => {
+    if (selectedLearningObjectives.includes(lo.id)) {
+      return sum + lo.numberOfQuestions;
+    }
+    lo.learningObjectives.forEach((lo2) => {
+      if (!selectedLearningObjectives.includes(lo2.id)) return;
+      sum += lo2.numberOfQuestions;
+    });
+    return sum;
+  }, 0);
+};