Optical activity of a solution can be determined using a Polarimeter Dilatometer Polarograph Refractrometer TRUE ANSWER : ? YOUR ANSWER : ?
Routh stability method uses __________ loop transfer function. Closed Open Neither A nor B Either A or B TRUE ANSWER : ? YOUR ANSWER : ?
The __________ of the fluid contained in the temperature sensing element (i.e., bulb) of filled system thermometers changes with change in temperature. Viscosity All of these Volume Pressure TRUE ANSWER : ? YOUR ANSWER : ?
The root locus plot of the roots of the characteristics equation of a closed loop system having the open loop transfer function K(s + 1)/2(2s + 1)(3s + 1) will have a definite number of loci for variation of K from 0 to ∞. The number of loci is 4 3 1 2 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following thermocouples is incapable of measuring sub-zero (i.e., < 0°C) temperature? Chromel-alumel Copper-constantan Platinum-platinum + rhodium Iron-constantan TRUE ANSWER : ? YOUR ANSWER : ?
A constant volume gas thermometer employing __________ is used to measure sub-zero (i.e., < 0° C) temperature. Nitrogen Helium Hydrogen None of these TRUE ANSWER : ? YOUR ANSWER : ?
The __________ of a vapor pressure thermometer is a functioning element. Pointer Bulb None of these Bourdon tube TRUE ANSWER : ? YOUR ANSWER : ?
Thermal wells used in temperature measurements should have High transmissivity of radiation Polished surface Low emissivity Very thick walls 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. Bode stability Nyquist None of these Routh stability TRUE ANSWER : ? YOUR ANSWER : ?
The transfer function of a pure dead time system with dead time τd is E-τds Eτds 1/(τds + 1) Τds + 1 TRUE ANSWER : ? YOUR ANSWER : ?