Difference at any instant between the value of the controlled variable and the set point is called the
A. Deviation
B. Derivative time
C. Error ratio
D. Differential gap
Answer: Option A
A. Deviation
B. Derivative time
C. Error ratio
D. Differential gap
Answer: Option A
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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