Optical flats are made of
A.Steel
B.Brass
C.Plastic
D.Bakelite
E.Quartz
Category: Mechanical Engineering Mcqs
In which case of permissible incline in belt conveyor will be maximum?
A.Stone, crushed
B.Wet clay
C.Foundry sand
D.Coal, run of mine
Which one of the following results in loss in an electric generator
A.Air drag
B.Friction in bearing
C.Direct current power for excitation
D.Heat generated in armature winding
E.All of the above
A flywheel starting from rest and accelerating uniformly performs 25 revolutions in 5 sec. Its angular velocity in rpm after 10 seconds would be
A.20 rpm
B.25 rpm
C.45 rpm
D.50 rpm
E.60 rpm
One watt is the same as
A.1 Nm/s
B.1 Nm/min
C.10 Nm/min
D.10 Nm/s
E.100 Nm/s
The pressure of steam used in modern thermal power plants is upto
A.15 kg/cm2
B.100 kg/cm2
C.170 kg/cm2
D.250 kg/cm2
E.350 kg/cm2
A bot in cupola is
A.A flux
B.A part of coupla
C.A kind of cast iron
D.A clay plug to close tap hole
E.A defect in casting
One bar pressure is the same as
A.1 N/m2
B.100 N/m2
C.1000 N/m2
D.100,000 N/m2
E.1000,000 N/m2
Which one of the following is not a part of micrometer
A.Thimble
B.Spindle
C.Sleeve
D.Beam
E.Anvil
High carbon steels intended to be quenched in water should have manganese percentage less than
A.2 percent
B.1.5 percent
C.1 percent
D.0.5 percent
E.No manganese percent
