Which of the following thermocouples is capable of measuring a temperature of -50°C? Chromel - alumel Copper - constantan Iron-constantan Platinum - platinum + rhodium TRUE ANSWER : ? YOUR ANSWER : ?
Zirconia probe is used for the measurement of % CO₂ in flue gas Humidity of air Speed of a submarine % O₂ in flue gas TRUE ANSWER : ? YOUR ANSWER : ?
For two non-interacting first order systems connected in series, the overall transfer function is the __________ of the individual transfer functions. Product Difference Sum Ratio TRUE ANSWER : ? YOUR ANSWER : ?
A control system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at the crossover frequency. This is __________ criterion. Routh stability Bode stability None of these Nyquist TRUE ANSWER : ? YOUR ANSWER : ?
Turbine flow meters are suitable for Very limited flow ranges Both B and C Aerospace and in air borne applications Cryogenic flow measurements TRUE ANSWER : ? YOUR ANSWER : ?
Bode stability method uses __________ loop transfer function. Closed Either A Or B Here Open Neither A nor B Here TRUE ANSWER : ? YOUR ANSWER : ?
When the damping co-efficient (ξ) is unity, the system is Critically damped Overdamped Highly fluctuating Underdamped TRUE ANSWER : ? YOUR ANSWER : ?
The closed loop pole of a stable second order system could be Both real and negative One real positive and the other real negative Both real and positive Complex conjugate with positive real parts TRUE ANSWER : ? YOUR ANSWER : ?
Presence of a small amount of water in the organic systems can be determined by the __________ method. Electrical conductivity Emission spectroscopy Dielectric constant end loss factor Polarimetry TRUE ANSWER : ? YOUR ANSWER : ?
Out of the following themocouple wire insulating material, the highest temperature rating is for Ceramic fibre Fibre glass Teflon Asbestos TRUE ANSWER : ? YOUR ANSWER : ?