Merge pull request #13 from virtual-labs/testing

Testing

Author: sravanthimodepu

experiment/posttest.json

@@ -1,7 +1,7 @@
 {
     "version": 2.0,
     "questions": [{
-            "question": "A mild steel bar specimen of diameter 20 mm is subjected to a tensile test. The bar was found to yield under a load of 82.5 kN and the specimen attained a maximum load of 155 kN and ultimately broke at a load of 72.5 kN. What is the tensile stress on the yield point?",
+            "question": "1. A mild steel bar specimen of diameter 20 mm is subjected to a tensile test. The bar was found to yield under a load of 82.5 kN and the specimen attained a maximum load of 155 kN and ultimately broke at a load of 72.5 kN. What is the tensile stress on the yield point?",
             "answers": {
                 "a": "262.6 N/mm<sup>2</sup>",
                 "b": "525.2 N/mm<sup>2</sup>",
@@ -15,7 +15,7 @@
             "difficulty": "advanced"
         },
         {
-            "question": "A mild steel bar specimen of diameter 20 mm is subjected to a tensile test. The bar was found to yield under a load of 82.5 kN and the specimen attained a maximum load of 155 kN and ultimately broke at a load of 72.5 kN. What is the ultimate stress?",
+            "question": "2. A mild steel bar specimen of diameter 20 mm is subjected to a tensile test. The bar was found to yield under a load of 82.5 kN and the specimen attained a maximum load of 155 kN and ultimately broke at a load of 72.5 kN. What is the ultimate stress?",
             "answers": {
                 "a": "986.6 N/mm<sup>2</sup>",
                 "b": "1973.2 N/mm<sup>2</sup>",
@@ -29,7 +29,7 @@
             "difficulty": "advanced"
         },
         {
-            "question": "A mild steel bar specimen of diameter 20 mm is subjected to a tensile test. The bar was found to yield under a load of 82.5 kN and the specimen attained a maximum load of 155 kN and ultimately broke at a load of 72.5 kN. What is the average stress at the breaking point if the diameter of the neck is 10.75 mm?",
+            "question": "3. A mild steel bar specimen of diameter 20 mm is subjected to a tensile test. The bar was found to yield under a load of 82.5 kN and the specimen attained a maximum load of 155 kN and ultimately broke at a load of 72.5 kN. What is the average stress at the breaking point if the diameter of the neck is 10.75 mm?",
             "answers": {
                 "a": "199.7 N/mm<sup>2</sup>",
                 "b": "798.8 N/mm<sup>2</sup>",
@@ -44,4 +44,4 @@
         }
 
     ]
-}
+}

experiment/pretest.json

@@ -1,7 +1,7 @@
 {
     "version": 2.0,
     "questions": [{
-            "question": "What is proportionality limit?",
+            "question": "1. What is proportionality limit?",
             "answers": {
                 "a": "Limit up to which the necking begins.",
                 "b": "Limit up to which the material breaks.",
@@ -16,7 +16,7 @@
             "difficulty": "beginner"
         },
         {
-            "question": "The elastic limit of a material is _____________",
+            "question": "2. The elastic limit of a material is _____________",
             "answers": {
                 "a": "the least amount of stress that can be held without permanent deformation",
                 "b": "highest stress a material can experience without permanent deformation",
@@ -30,7 +30,7 @@
             "difficulty": "intermediate"
         },
         {
-            "question": "True stress-strain curve for materials is plotted between.",
+            "question": "3. True stress-strain curve for materials is plotted between.",
             "answers": {
                 "a": "load/original cross-sectional area and change in length/original length",
                 "b": "load/instantaneous cross-sectional area and log(length/original length)",
@@ -44,7 +44,7 @@
             "difficulty": "advanced"
         },
         {
-            "question": "The tensile test is carried on __________ materials. ",
+            "question": "4. The tensile test is carried on __________ materials. ",
             "answers": {
                 "a": "Ductile",
                 "b": "Brittle",
@@ -58,7 +58,7 @@
             "difficulty": "beginner"
         },
         {
-            "question": "Extensometer is a device that  measures change in length to the gage length.",
+            "question": "5. Extensometer is a device that  measures change in length to the gage length.",
             "answers": {
                 "a": "True",
                 "b": "False"
@@ -67,4 +67,4 @@
             "difficulty": "intermediate"
         }
     ]
-}
+}