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.Management Sciences
Category: Mechanical Engineering Mcqs
The building up of worn and uridersized parts, subjected to repeated loads by electroplating is_____________________?
A. best method
B. extremely hazardous
C. has no effect as regards fatigue strength
D. cheapest method
E. all of the above
The value of mass density in kgsecVm4 for water at 0°C is_________________?
A. 1
B. 1000
C. 100
D. 101.9
E. 91
Euler’s dimensionless number relates the following__________________?
A. inertial force and gravity
B. viscous force and inertial force
C. viscous force and buoyancy force
D. pressure force and inertial force
E. pressure force and viscous force
The time required to complete a job is established and a bonus is paid to the worker based on the exact % of time saved. This type of incentive plan is known as_________________?
A. Dry work Plan
B. Halsey Premium Plan
C. Taylor Plan
D. Bedaux Plan
E. Rowan Plan
Isothermal compression though most efficient, but is not -practicable because_________________?
A. ityrequires very big cylinder
B. it does not increase pressure much
C. it is impossible in practice
D. compressor has to run at very slow speed to achieve it
E. it requires cylinder to be placed in water
Which of the following has sliding motion________________?
A. crank
B. connecting rod
C. crank pin
D. cross-head
E. cross head guide
Chilled cast iron has____________________?
A. no graphite
B. a very high percentage of graphite
C. a low percentage of graphite
D. graphite as its basic constituent of composition
E. none of the above is true
Mining industry usually employs following motive power___________________?
A. A.C. electric motor
B. compressed air
C. petrol engine
D. diesel engine
E. D.C. electric motor
A stoichiometric air-fuel ratio is______________________?
A. chemically correct mixture
B. lean mixture
C. rich mixture for idling
D. rich mixture for over loads
E. the ratio used at full rated parameters
Allowable pressure on high-pressure side or ammonia absorption system is of the order of_________________?
A. atmospheric pressure
B. slightly above atmospheric pressure
C. 2-4 bars
D. 5-6 bars
E. 7-10 bars
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