Correct Answer:- Option-D
Question88:-Polar moment of inertia of a circular shaft of radius ris given by

^~ (9^4)/(32)
8: (णा ^4)/(64) `
തമ്‌

0:- (9774)/16)'

Correct Answer:- Option-C
Question89:-The purpose drawing the funicular polygon is to find
A:-The magnitude of the resultant
B:-Direction of the resultant
C:-The point at which resultant Acts
D:-All of the above
Correct Answer:- Option-D

Question90:-The phenomenon by which a material under tensile load continues to elongate slowly at a high temperature is
known as

A:-Fatigue
B:-Resilience
C:-Creep
D:-Plasticity
Correct Answer:- Option-C
Question91:-Internal resistance set up per unit area to resist deformation is known as
A:-Creep
-Resilience
C:-Strain
D:-Unit stress
Correct Answer:- Option-D
Question92:-Poisson's ratio is defined as The ratio of
A:-Shear stress to shear strain
B:-Lateral stress to lateral strain
C:-Lateral strain to longitudinal strain
D:-Lateral strain to longitudinal stress
Correct Answer:- Option-C
Question93:-Which of the following should be followed for fuel efficient driving habit?
A:-steady driving
-avoid frequent braking
C:-speed range between 35-50 kmph
D:-all of the above
Correct Answer:- Option-D
Question94:-A fluid flow is said to be laminar if the Reynolds number is less than
A:-2000
B:-1500
C:-2500
D:-4000
Correct Answer:- Option-A
Question95:-Hydraulic mean depth (m) is given by

D:-1/AP
Correct Answer:-Question Cancelled
Question96:-Surge tank in a pipe line is used to
A:-reduce loss of head
B:-make flow uniform
C:-relieve the pressure due to water hammer
D:-none of the above
Correct Answer:- Option-C
Question97:-If the head of a turbine is more than 300 m then the turbine used should be
A:-Francis
B:-Kaplan