Vibration upto 100 kilo hertz can be most accurately measured by a __________ type accelerometer.
A. Preloaded spring
B. Piezoelectric
C. Bonded strain gauge
D. None of these
Answer: Option B
A. Preloaded spring
B. Piezoelectric
C. Bonded strain gauge
D. None of these
Answer: Option B
Which of the following will resist maxi-mum shock & vibration without cracking?
A. Grey cast iron
B. White cast iron
C. Malleable iron
D. Graphite
A. Pulverised fuel
B. Travelling grate stoker firing
C. Circulating fluidised bed
D. Fluidised bed
Isotropic materials have the same __________ in all directions.
A. Induced stresses
B. Density
C. Elastic properties
D. Thermal properties
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