Pig iron
Malleable iron
Spheroidal graphite cast iron
High carbon steel
✅ The correct answer is option B.
Mechanical Engineering MCQs
The wire ropes make contact at
bottom of groove of the pulley
sides of groove of the pulley
sides and bottom of groove of the pulley
anywhere in the groove
✅ The correct answer is option A.
Monel metal contains
65% nickel, 15% chromium and 20% iron
68% nickel, 29% copper and 3% other constituents
80% nickel and 20% chromium
80% nickel, 14% chromi
✅ The correct answer is option B.
A sand employed on the faces of the pattern before moulding, is called
green sand
dry sand
loam sand
parting sand
✅ The correct answer is option D.
In axial flow compressors, the flow of air is parallel to the axis of compressor.
Correct
Incorrect
✅ The correct answer is option A.
A casting defect which occurs near the ingates as rough lumps on the surface of a casting is known as
shift
sand wash
swell
scab
✅ The correct answer is option B.
The groove angle of the pulley for rope drive is usually
20°
35°
45°
60°
✅ The correct answer is option C.
A weir is usually made of masonry or concrete.
Yes
No
✅ The correct answer is option A.
To ensure complete and rapid combustion of a fuel, some quantity of air, in excess of the theoretical or minimum air is supplied.
Yes
No
✅ The correct answer is option A.