equal to minor diameter of the thread
equal to pitch diameter of the thread
a little larger than the minor diameter of the thread
a little larger than the pitch diameter of the thread
✅ The correct answer is option C.
Engineering MCQs
Loeffler boiler is a water tube boiler using a forced circulation of water.
TRUE
FALSE
✅ The correct answer is option A.
A flow in which the volume of a fluid and its density does not change during the flow is called __________ flow.
incompressible
compressible
✅ The correct answer is option A.
In the first law of thermodynamics, the total energy of the system remains constant.
TRUE
FALSE
✅ The correct answer is option A.
Delivery head of water of a centrifugal pump is inversely proportional to diameter of its impeller.
Yes
No
✅ The correct answer is option B.
In unilateral system of tolerance, the tolerance is allowed on
one side of the actual size
one side of the nominal size
both sides of the actual size
both sides of the nominal size
✅ The correct answer is option B.
The steam enters the nozzle at a
high pressure and a low velocity
high pressure and a high velocity
low pressure and a low velocity
low pressure and a high velocity
✅ The correct answer is option A.
In a spark plug, when the temperature of the central electrode exceeds a certain temperature, any carbon that has adhered will be burnt off, and the temperature at which this burning off carbon starts is referred to as the self cleaning temperature.
Correct
Incorrect
✅ The correct answer is option A.
A water cooled condenser operates at a __________ condensing temperature than an air-cooled condenser.
higher
lower
✅ The correct answer is option B.
When the steel is normalised, its
yield point increases
ductility decreases
ultimate tensile strength increases
all of these
✅ The correct answer is option D.