Engineering
ISBT Reasoning for all banking PO,Clerk,IBPS PO,Railway,SSC,IAS,OAS Exams
Q1. | At the time of discharging the battery converts ? |
| 1) | Mechanical energy into electrical energy. |
2) | Electrical energy into chemical energy. |
| 3) | Chemical energy into mechanical energy. |
4) | Chemical energy into electrical energy. |
| 5) | None of these |
Answer : Chemical energy into electrical energy.
View AnswerQ2. | What is the condition of perfect truss ? |
| 1) | n = 2j - 2 |
2) | n = 2j - 3 |
| 3) | n = 2j -4 |
4) | n = 2j - 5 |
| 5) | None of these |
Answer : n = 2j - 3
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Q3. | The valves mounted on the boilers which change the direction of flow of steam by 90° and valves fitted in the pipelines which allow the steam in the same direction are respectively called as _____. |
| 1) | Stop valves and junction valves
|
2) | Junction valves and stop valves
|
| 3) | Junction valves and safety valves |
4) | Feed safety valves and stop valves |
| 5) | None of these |
Answer : Junction valves and stop valves
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Q4. | The engine oil at 150 °C is cooled to 80 °C in a parallel flow heat exchange by water entering at 25 °C and leaving at 60 °C. What will be the exchange effectiveness will be _____. |
| 1) | 0.36 |
2) | 0.46 |
| 3) | 0.56 |
4) | 0.66 |
| 5) | None of these |
Answer : 0.56
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Q5. | The amount of heat required to raise the temperature of 1 kg of water from 0°C to the saturation temperature Ts °C at a given constant pressure is defined as _____. |
| 1) | Super-heat |
2) | Entropy |
| 3) | Latent heat |
4) | Sensible heat |
| 5) | None of these |
Answer : Sensible heat
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Q6. | Which of the following is the chief advantage of die casting ? |
| 1) | possibility of incorporating thick sections in small castings |
2) | casting of inserts is possible |
| 3) | wide tolerances are possible |
4) | high production rates are possible |
| 5) | None of these |
Answer : high production rates are possible
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Q7. | If carbon present in cast iron is partly free and partly in combined state, it is called _____. |
| 1) | White cast iron |
2) | Grey cast iron |
| 3) | Molten cast iron |
4) | None of these |
| 5) | None of these |
Answer : White cast iron
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Q8. | What is the main purpose of annealing ? |
| 1) | to improve machinability |
2) | to improve magnetism |
| 3) | to increase hardness |
4) | to increase toughness |
| 5) | None of these |
Answer : to improve machinability
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Q9. | The purpose of transmission in an automobile is to vary the - |
| 1) | speed of the automobile |
2) | torque of the automobile |
| 3) | power of the automobile |
4) | fuel efficiency of the automobile |
| 5) | None of these |
Answer : torque of the automobile
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Q10. | Which one of the following is not the advantage of CNC machine ? |
| 1) | Reduces inspection time |
2) | Reduces tooling time
|
| 3) | Higher initial cost
|
4) | Higher rate of production |
| 5) | None of these |
Answer : Higher initial cost
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