collapsibility
permeability
cohesiveness
adhesiveness
✅ The correct answer is option B.
Engineering MCQs
Cast iron is manufactured in
blast furnace
cupola
open hearth furnace
bessemer converter
✅ The correct answer is option B.
Multi-stage centrifugal pumps are used to
give high discharge
produce high heads
pump viscous fluids
all of these
✅ The correct answer is option B.
The natural draught is produced by
steam jet
centrifugal fan
chimney
both (a) and (b)
✅ The correct answer is option C.
The isentropic enthalpy drop in moving blade is two-third of the isentropic enthalpy drop in fixed blades of a turbine. The degree of reaction will be
0.4
0.56
0.67
1.67
✅ The correct answer is option A.
The rate of discharge through the nozzle __________ when the exit pressure is gradually reduced.
remains same
decreases
increases
✅ The correct answer is option C.
If the value of n = 0 in the equation pvn = C, then the process is called
constant volume process
adiabatic process
constant pressure process
isothermal process
✅ The correct answer is option C.
The temperature of oxy-hydrogen flame is __________ oxy-acetylene flame.
same as
less than
more than
✅ The correct answer is option B.
In order to balance the reciprocating masses,
primary forces and couples must be balanced
secondary forces and couples must be balanced
both (a) and (b)
none of these
✅ The correct answer is option C.