MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The power absorbed (in watts) in overcoming the viscous resistance of a footstep bearing is |
| A. | <img src="/_files/images/mechanical-engineering/hydraulics-and-fluid-mechanics/179-349-1.png"> |
| B. | <img src="/_files/images/mechanical-engineering/hydraulics-and-fluid-mechanics/179-349-2.png"> |
| C. | <img src="/_files/images/mechanical-engineering/hydraulics-and-fluid-mechanics/179-349-3.png"> |
| D. | <img src="/_files/images/mechanical-engineering/hydraulics-and-fluid-mechanics/179-349-4.png"> |
| Answer» C. <img src="/_files/images/mechanical-engineering/hydraulics-and-fluid-mechanics/179-349-3.png"> | |
| 2. |
The function of a piston in a steam engine is |
| A. | to guide motion of the piston rod and to prevent it from bending |
| B. | to transfer motion from the piston to the cross-head |
| C. | to convert heat energy of the steam into mechanical work id) to exhaust steam from the cylinder at proper moment |
| Answer» D. | |
| 3. |
Water tube boilers are |
| A. | internally fired |
| B. | externally fired |
| C. | internally as well as externally fired |
| D. | none of these |
| Answer» C. internally as well as externally fired | |
| 4. |
A compound steam engine requires a heavier flywheel than simple steam engines. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
Which of the following boiler is best suited to meet the fluctuating demand of steam ? |
| A. | Locomotive boiler |
| B. | Lancashire boiler |
| C. | Cornish boiler |
| D. | Babcock and Wilcox boiler |
| Answer» B. Lancashire boiler | |
| 6. |
Cut-off governing as compared to throttle governing is |
| A. | less efficient and less economical |
| B. | less efficient and more economical |
| C. | more efficient and less economical |
| D. | more efficient and more economical |
| Answer» E. | |
| 7. |
PERT is applied for |
| A. | marketing programmes and advertising programmes |
| B. | installation of machinery |
| C. | research and development of products |
| D. | all of these |
| Answer» E. | |
| 8. |
The minimum size of a billet is 10 cm x 10 cm. |
| A. | Agree |
| B. | Disagree |
| Answer» C. | |
| 9. |
In a unilateral system of tolerance, the tolerance is allowed on |
| A. | one side of the actual size |
| B. | one side of the nominal size |
| C. | both sides of the actual size |
| D. | both sides of the nominal size |
| Answer» C. both sides of the actual size | |
| 10. |
A two high rolling mill consists of two rolls which rotate |
| A. | at the same speed and in the same direction |
| B. | at the same speed but in opposite direction |
| C. | at different speeds and in the same direction |
| D. | at different speeds and in the opposite direction |
| Answer» C. at different speeds and in the same direction | |
| 11. |
Carburising flame is used to weld |
| A. | steel, cast iron, copper, aluminium etc |
| B. | brass and bronze |
| C. | hard surfacing materials such as stellite |
| D. | all of these |
| Answer» D. all of these | |
| 12. |
PERT is a project planning and control technique. |
| A. | Yes |
| B. | No |
| Answer» B. No | |
| 13. |
The most suitableincentive plan for the maintenance section of an industry will be |
| A. | piece rate system |
| B. | group incentive plan |
| C. | profit sharing plans |
| D. | simplification |
| Answer» C. profit sharing plans | |
| 14. |
The most important function of inventory control is |
| A. | stock control system |
| B. | to run the stores effectively |
| C. | technical responsibility for the state of materials |
| D. | all of the above |
| Answer» E. | |
| 15. |
Break even analysis represents the relationship between cost and volume. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 16. |
The condition that causes vapour locking in a brake system is |
| A. | overheating of the fluid due to frequent brake application |
| B. | overcooling of the brakes during high speed driving |
| C. | keeping the vehicle without use for an extended period |
| D. | an excessively high engine speed on a downhill road |
| Answer» B. overcooling of the brakes during high speed driving | |
| 17. |
The portion of a crankshaft which rests on cylinder block is called main journal. |
| A. | Yes |
| B. | No |
| Answer» B. No | |
| 18. |
Surface plate is used to check the trueness of flat surfaces. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 19. |
The accuracy of micrometers, calipers, dial indicators can be checked by a |
| A. | feeler gauge |
| B. | slip gauge |
| C. | ring gauge |
| D. | plug gauge |
| Answer» C. ring gauge | |
| 20. |
A zinc diffusion process is called |
| A. | galvanising |
| B. | anodising |
| C. | parkerising |
| D. | sherardizing |
| Answer» E. | |
| 21. |
The type of file used for a wood work is |
| A. | single-cut file |
| B. | double cut file |
| C. | rasp-cut file |
| D. | any one of these |
| Answer» D. any one of these | |
| 22. |
Line organisation is suitable for a big organisation. |
| A. | Correct |
| B. | Incorrect |
| Answer» C. | |
| 23. |
When slack of an activity is negative |
| A. | it represents a situation where extra resources are available and the completion of project is not delayed |
| B. | it represents that a programme falls behind schedule and additional resources are required to complete the project in time |
| C. | the activity is critical and any delay in its performance will delay the completion of whole project |
| D. | all of the above |
| Answer» C. the activity is critical and any delay in its performance will delay the completion of whole project | |
| 24. |
A-B-C analysis is used in |
| A. | CPM |
| B. | PERT |
| C. | inventory control |
| D. | all of these |
| Answer» D. all of these | |
| 25. |
A systematic job improvement sequence will consist of |
| A. | motion study |
| B. | time study |
| C. | job enrichment |
| D. | all of these |
| Answer» E. | |
| 26. |
Military type of organisation is known as |
| A. | line organisation |
| B. | functional organisation |
| C. | line and staff organisation |
| D. | line, staff and functional organisation |
| Answer» B. functional organisation | |
| 27. |
In a jet propulsion |
| A. | the propulsive matter is ejected from within the propelled body |
| B. | the propulsive matter is caused to flow around the propelled body |
| C. | its functioning does not depend upon presence of air |
| D. | none of the above |
| Answer» C. its functioning does not depend upon presence of air | |
| 28. |
The inlet pressure is always __________ the discharge pressure. |
| A. | equal to |
| B. | less than |
| C. | more than |
| Answer» C. more than | |
| 29. |
In a four stroke cycle, the minimum temperature inside the engine cylinder occurs at the |
| A. | beginning of suction stroke |
| B. | end of suction stroke |
| C. | beginning of exhaust stroke |
| D. | end of exhaust stroke |
| Answer» B. end of suction stroke | |
| 30. |
Two alternatives can produce a product. First has a fixed cost of Rs. 2000 and a variable cost of Rs. 20 per piece. The second method has a fixed cost of Rs. 1500 and a variable cost of Rs. 30. The break even quantity between the two alternatives is |
| A. | 25 |
| B. | 50 |
| C. | 75 |
| D. | 100 |
| Answer» C. 75 | |
| 31. |
The product layout is more amenable to automation than process layout. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 32. |
Micromotion study is |
| A. | analysis of one stage of motion chart |
| B. | motion study, when seen on a time chart |
| C. | subdivision of an operation into therbligs and their analysis |
| D. | enlarged view of motion study |
| Answer» D. enlarged view of motion study | |
| 33. |
In inventory control, the economic ordering quantity is obtained by the quantity whose procurement cost is equal to inventory carrying cost. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 34. |
Slack represents the difference between the |
| A. | earliest completion time and latest allowable time |
| B. | latest allowable time and earliest completion time |
| C. | earliest completion time and normal expected time |
| D. | latest allowable time and normal allowable time |
| Answer» B. latest allowable time and earliest completion time | |
| 35. |
Queuing theory is used for |
| A. | job-shop scheduling |
| B. | inventory problems |
| C. | traffic congestion studies |
| D. | all of these |
| Answer» E. | |
| 36. |
When slack of an activity is positive |
| A. | it represents a situation where extra resources are available and the completion of project is not delayed |
| B. | it represents that a programme falls behind schedule and additional resources are required to complete the project in time |
| C. | the activity is critical and any delay in its performance will delay the completion of whole project |
| D. | any one of the above |
| Answer» B. it represents that a programme falls behind schedule and additional resources are required to complete the project in time | |
| 37. |
In jobbing production |
| A. | highly skilled workers are needed |
| B. | unit costs are high |
| C. | operations are labour-intensive |
| D. | all of these |
| Answer» E. | |
| 38. |
Product layout is used for |
| A. | job production |
| B. | batch production |
| C. | mass production |
| D. | any one of these |
| Answer» D. any one of these | |
| 39. |
Linear programming can be applied successfully to |
| A. | chemical industry |
| B. | oil industry |
| C. | banks |
| D. | all of these |
| Answer» E. | |
| 40. |
Halsey plan of wage incentive |
| A. | is not applied to all level of workers |
| B. | is applied to all level of workers |
| C. | does not guarantee minimum wage |
| D. | is based upon efficiency of worker |
| Answer» C. does not guarantee minimum wage | |
| 41. |
Time study is used to |
| A. | determine standard costs |
| B. | determine the number of machines a person may run |
| C. | provide a basis for setting piece price or incentive wages |
| D. | all of the above |
| Answer» E. | |
| 42. |
The cetane number of diesel oil, generally available, is |
| A. | 20 to 25 |
| B. | 25 to 30 |
| C. | 30 to 40 |
| D. | 40 to 55 |
| Answer» E. | |
| 43. |
The object of providing masked inlet valve in the air passage of compression ignition engines is to |
| A. | enhance flow rate |
| B. | control air flow |
| C. | induce primary swirl |
| D. | induce secondary turbulence |
| Answer» D. induce secondary turbulence | |
| 44. |
The first nuclear power plant in India was located at |
| A. | Kota |
| B. | Tarapur |
| C. | Bareilly |
| D. | none of these |
| Answer» C. Bareilly | |
| 45. |
The probability of knocking in diesel engines is increased by |
| A. | high self ignition temperature |
| B. | low volatility |
| C. | higher viscosity |
| D. | all of these |
| Answer» E. | |
| 46. |
A diesel engine, during suction stroke, draws |
| A. | air only |
| B. | diesel only |
| C. | a mixture of diesel and air |
| Answer» B. diesel only | |
| 47. |
Anti-knock for compression ignition engines is |
| A. | napthene |
| B. | tetra ethyl lead |
| C. | amyl nitrate |
| D. | hexadecane |
| Answer» D. hexadecane | |
| 48. |
In an internal combustion engine, the process of removing the burnt gases from the combustion chamber of the engine cylinder is known as |
| A. | scavenging |
| B. | detonation |
| C. | supercharging |
| D. | polymerisation |
| Answer» B. detonation | |
| 49. |
In petrol engines, advancing of the spark timing will __________ the knocking tendency. |
| A. | not effect |
| B. | decrease |
| C. | increase |
| Answer» D. | |
| 50. |
The fuel valve in a four stroke cycle diesel engine |
| A. | opens at 15 after top dead centre and closes at 20 before bottom dead centre |
| B. | opens at 15 before top dead centre and closes at 20 after top dead centre |
| C. | opens at top dead centre and closes at bottom dead centre |
| D. | may open and close anywhere |
| Answer» C. opens at top dead centre and closes at bottom dead centre | |