Explore topic-wise MCQs in Engineering.

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