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This section includes 4791 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.
4151. |
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"> | |
4152. |
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. | |
4153. |
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 | |
4154. |
A compound steam engine requires a heavier flywheel than simple steam engines. |
A. | True |
B. | False |
Answer» C. | |
4155. |
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 | |
4156. |
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. | |
4157. |
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. | |
4158. |
The minimum size of a billet is 10 cm x 10 cm. |
A. | Agree |
B. | Disagree |
Answer» C. | |
4159. |
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 | |
4160. |
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 | |
4161. |
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 | |
4162. |
PERT is a project planning and control technique. |
A. | Yes |
B. | No |
Answer» B. No | |
4163. |
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 | |
4164. |
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. | |
4165. |
Break even analysis represents the relationship between cost and volume. |
A. | True |
B. | False |
Answer» B. False | |
4166. |
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 | |
4167. |
The portion of a crankshaft which rests on cylinder block is called main journal. |
A. | Yes |
B. | No |
Answer» B. No | |
4168. |
Surface plate is used to check the trueness of flat surfaces. |
A. | True |
B. | False |
Answer» B. False | |
4169. |
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 | |
4170. |
A zinc diffusion process is called |
A. | galvanising |
B. | anodising |
C. | parkerising |
D. | sherardizing |
Answer» E. | |
4171. |
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 | |
4172. |
Line organisation is suitable for a big organisation. |
A. | Correct |
B. | Incorrect |
Answer» C. | |
4173. |
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 | |
4174. |
A-B-C analysis is used in |
A. | CPM |
B. | PERT |
C. | inventory control |
D. | all of these |
Answer» D. all of these | |
4175. |
A systematic job improvement sequence will consist of |
A. | motion study |
B. | time study |
C. | job enrichment |
D. | all of these |
Answer» E. | |
4176. |
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 | |
4177. |
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 | |
4178. |
The inlet pressure is always __________ the discharge pressure. |
A. | equal to |
B. | less than |
C. | more than |
Answer» C. more than | |
4179. |
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 | |
4180. |
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 | |
4181. |
The product layout is more amenable to automation than process layout. |
A. | True |
B. | False |
Answer» B. False | |
4182. |
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 | |
4183. |
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 | |
4184. |
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 | |
4185. |
Queuing theory is used for |
A. | job-shop scheduling |
B. | inventory problems |
C. | traffic congestion studies |
D. | all of these |
Answer» E. | |
4186. |
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 | |
4187. |
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. | |
4188. |
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 | |
4189. |
Linear programming can be applied successfully to |
A. | chemical industry |
B. | oil industry |
C. | banks |
D. | all of these |
Answer» E. | |
4190. |
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 | |
4191. |
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. | |
4192. |
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. | |
4193. |
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 | |
4194. |
The first nuclear power plant in India was located at |
A. | Kota |
B. | Tarapur |
C. | Bareilly |
D. | none of these |
Answer» C. Bareilly | |
4195. |
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. | |
4196. |
A diesel engine, during suction stroke, draws |
A. | air only |
B. | diesel only |
C. | a mixture of diesel and air |
Answer» B. diesel only | |
4197. |
Anti-knock for compression ignition engines is |
A. | napthene |
B. | tetra ethyl lead |
C. | amyl nitrate |
D. | hexadecane |
Answer» D. hexadecane | |
4198. |
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 | |
4199. |
In petrol engines, advancing of the spark timing will __________ the knocking tendency. |
A. | not effect |
B. | decrease |
C. | increase |
Answer» D. | |
4200. |
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 | |