✅ The correct answer is option B.
Engineering MCQs
The diaphragm moulding machine is used to
ram the sand harder at the pattern face with decreasing hardness towards the back of the mould
ram the sand harder at the back of the mould and softer on the pattern face
produce uniform packing of sand in the mould
give uniform sand hard
✅ The correct answer is option D.
A bolt has
threads for the nut at one end and head at the other end
head at one end and the other end fits into a tapped hole of one of the parts to be fastened
threads at both ends
pointed threads
✅ The correct answer is option A.
A venturiflume is used to measure
pressure of liquid
discharge of liquid
pressure difference between two points in a channel
pressure difference be
✅ The correct answer is option B.
When a body is placed over a liquid, it is subjected to gravitational force and upthrust of the liquid.
TRUE
FALSE
✅ The correct answer is option A.
The cutting speed is zero at the periphery and it is maximum at the centre of the drill.
Yes
No
✅ The correct answer is option B.
In figure shown, E is a heat engine with efficiency of 0.4 and R is a refrigerator. It is given that Q2 + Q4 = 3Q1. The C.O.P. of the refrigerator is
2.5
3
4
5
✅ The correct answer is option D.
Solid fuel fabricated into various small shapes, which are assembled to form fuel elements, is in the form of
plates
pallets
pins
all of these
✅ The correct answer is option D.
The size of a shaper is given by
stroke length
motor power
mass of machine
rate size
✅ The correct answer is option A.
In electro-discharge machining, dielectric is used to
help in the movement of the sparks
control the spark discharges
act as coolant
all of these
✅ The correct answer is option D.