A. Ballast
B. Voltage balancing potentiometric
C. Simple current sensitive
D. None of these
Related Mcqs:
- A cylindrical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson’s ratio of the rod is___________________?
A. 0
B. 0.33
C. 0.44
D. 0.25 - A metal having a Poisson’s ratio = 0.3 is elastically deformed under uniaxial tension. If the longitudinal strain = 0.8, then the magnitude of thickness strain is________________?
A. -0.8
B. 0.8
C. +0.08
D. -0.24 - Strain hardening effect in a metal subjected to cold working is due to the ______________ mechanism?
A. Fracture
B. Dislocation
C. Slip
D. Twinning - For dynamic strain measurement, the Wheatstone bridge used is of ______________ type ?
A. Voltage sensitive null
B. Voltage sensitive deflected
C. Current sensitive deflected
D. None of these - To counteract the bad effects of strain hardening on a cold formed part, it must be ______________________?
A. Tempered
B. Normalised
C. Annealed
D. Hardened - Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of__________________?
A. 1 : 1
B. 1 : 2
C. 2 : 1
D. 1 : 4 - The elastic strain in copper is due to the__________________?
A. Motion of dislocations
B. Stretching of atomic bonds
C. Breakage of atomic bonds
D. None of the above - Strain hardening effect in metals subjected to cold working is due to the _______________ mechanism?
A. Slip
B. Fracture
C. Winning
D. Dislocation - Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in ______________ position ?
A. Horizontal
B. Vertical
C. Inclined
D. Any - Which of the following is a commonly used manometric liquid for low pressure range ?
A. Ethyl alcohol
B. Carbon tetrachloride
C. Glycerol
D. Ethylene glycol
