Q. Which of the following is the dynamic characteristics of an instrument ?

View solution

Q. Which of the following is a desirable characteristic of an instrument ?

View solution

Q. The operation of a rotameter is based on

View solution

Q. The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an __________ thermocouple.

View solution

Q. Instrumentation in a plant offers the advantage of

View solution

Q. Which of the following temperature measuring instruments need not touch the object whose temperature is being measured ?

View solution

Q. Pick out the wrong statement.

View solution

Q. The __________ of a vapor pressure thermometer is a functioning element.

View solution

Q. A negative gain margin expressed in decibels means a/an __________ system.

View solution

Q. Thermistor, which has high temperature co-efficient of resistivity, is used as the sensing element in resistance thermometer. It is a/an

View solution

Q. Flapper nozzle is used in a/an __________ controller.

View solution

Q. Compositional analysis of __________ is done using mass spectrometer.

View solution

Q. The function of a transducer is to

View solution

Q. Nichol's chart deals with

View solution

Q. Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature ?

View solution

Q. A proportional controller with a gain of Kc is used to control a first order process. The offset will increase, if

View solution

Q. The __________ of a vapor pressure thermometer is a secondary element.

View solution

Q. Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is

View solution

Q. Which of the following relates the absorption & evolution of heat at the junctions of a thermocouple to the current flow in the circuit?

View solution

Q. The second order system with the transfer function 4 / (s²+2s+4) has a damping ratio of

View solution