Process Control and Instrumentation
The Laplace transform of exp(at), where a > 0, is defined only for the Laplace parameter, s > a since

The function is exponential
The function exp(at) is piece-wise continuous only for s > a
The Laplace transform of integral of exp(at) has finite values only for s > a
The Laplace transform integral of exp(at) has initial values only for s > a

ANSWER DOWNLOAD EXAMIANS APP

Process Control and Instrumentation
Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by

Increasing the diameter of the tube
Using steel tube in place of glass tube
Filling nitrogen under pressure in the stem
Accounting for the tube expansion

ANSWER DOWNLOAD EXAMIANS APP