zero
0.5
0.75
1
✅ The correct answer is option D.
Engineering MCQs
In a multiple V-belt drive, if one of the belts break, then
only the broken belt is replaced
the entire set of belts is replaced
the broken belt and the belt on either side of it, is replaced
the broken belt need n
✅ The correct answer is option B.
Kerosene is distilled at
65° to 220°C
220° to 345°C
345° to 470°C
470° to 550°C
✅ The correct answer is option B.
A connecting rod is designed as a
long column
short column
strut
all of these
✅ The correct answer is option C.
A nozzle is said to be a convergent-divergent nozzle, when the cross-section of a nozzle first decreases from its entrance to throat and then increases from its throat to exit.
TRUE
FALSE
✅ The correct answer is option A.
The cold working of metals is carried out
at the recrystallisation temperature
below the recrystallisation temperature
above the recrystallisation temperature
at any temperature
✅ The correct answer is option B.
The machine tool guide ways are usually hardened by
vacuum hardening
martempering
induction hardening
flame hardening
✅ The correct answer is option D.
The ratio of the inertia force to the elastic force is called
Reynold’s number
Froude’s number
Weber’s number
Mach number
✅ The correct answer is option D.
A lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following:
both the balls undergo an equal change in momentum
the change in momentum suffered by rubber ball is more than the lead ball
the change in momentum suffered by rubber ball is less than the lead ball
none of the above
✅ The correct answer is option B.
An oxidising flame is obtained when equal volumes of oxygen and acetylene are supplied.
TRUE
FALSE
✅ The correct answer is option B.