decrease
increase
✅ The correct answer is option B.
Engineering MCQs
Modular ratio of the two materials is the ratio of
linear stress to linear strain
shear stress to shear strain
their modulus of elasticities
their modulus of rigid
✅ The correct answer is option C.
A better machinable metal is one which gives
lower chip-tool contact area and larger shear angle
higher chip-tool contact area and smaller shear angle
lower chip-tool contact area and smaller shear angle
higher chip-tool conta
✅ The correct answer is option A.
The loss of kinetic energy due to direct impact of two bodies __________ upon the value of coefficient of restitution.
depends
does not depend
✅ The correct answer is option A.
A tapered key which fits in a key way in the hub and the bottom of which is shaped to fit the curved surface of the shaft, is known as hollow saddle key.
Correct
Incorrect
✅ The correct answer is option A.
The frictional torque transmitted in a conical pivot bearing, considering uniform pressure, is (where R = Radius of shaft, and α = Semi-angle of the cone)
μ W R cosec α
μ W R cosec α
μ W R cosec α
μ W R cosec α
✅ The correct answer is option B.
The equation of motion for a single degree of freedom system with viscous damping is . The damping ratio of the system is
9-Aug
Sep-82
Sep-16
9/128
✅ The correct answer is option C.
The most effective method of controlling S.I. engine exhaust emission is by
recirculating exhaust
using catalytic converter
using some additives in the fuel
none of these
✅ The correct answer is option B.
Two solid shafts ‘A’ and ‘B’ are made of the same material. The shaft ‘A’ is of 50 mm diameter and shaft ‘B’ is of 100 mm diameter. The strength of shaft ‘B’ is __________ as that of shaft A.
one-half
double
four times
eight times
✅ The correct answer is option D.
The lower layer of the beam as shown in the below figure, will be
in tension
in compression
neither in tension nor in compression
✅ The correct answer is option A.