The moment of inertia of a thin ring about an axis perpendicular to plane of ring is
A.Mr
B.Mr2
C.Mr3
D.1/2 Mr3
E.1/3 Mr3
Category: Mechanical Engineering Mcqs
Which of the following is not a reversible cycle?
A.Carnot cycle
B.Stirling cycle
C.Ericsson cycle
D.Otto cycle
E.All of the above
Which of the following part is not needed on spark ignition engines using magneto ignition?
A.Battery
B.Spark plug
C.Distributor
D.Induction coil
The becteria that can survive without oxygen is called
A.Facultative bacteria
B.Anerobic bacteria
C.Aerobic bacteria
D.Furobic bacteria
E.All of the above
Eutectoid steel has a structure of
A.Sorbite
B.Nickel
C.Martensite
D.Bainite
E.A combination of all above
In vapour absorption system the function of rectifier is
A.To cool the vapour leaving the analyzer
B.To separate ammonia and water
C.To dissolve ammonia in water
D.To add energy from external source
E.None of the above
Synthetic rubber is made of
A.Crude oil
B.Mineral oil
C.Starch
D.Butadiene
E.Coal
Jobs going behind the schedule are conveniently shown in
A.Milestone chart
B.pi chart
C.Bar chart
D.Gantt chart
When a fluid is passed in steady, flow through a porous plug in a duct under such conditions that heat transfer, kinetic energy change and potential change is negligible, the process is called
A.Constant pressure compression
B.Isothermal compression
C.Frictionless compression
D.Throttling
E.Separation
A single purchase crab has a handle 45 cm long and a drum of 25 cm diameter. The pinion has 30 teeth and spur has 150 teeth. The efficiency of the machine is 75%. If the maximum force that can be applied is 500 newtons, the maximum load that can be lifted will be
A.1250 N
B.6750 N
C.9860 N
D.13500 N
E.20250 N
