Enzymes belong to the category of__________?
According to maximum shear stress failure criterion, yielding in material occurs, when the maximum shear stress is equal to __________ times the yield stress ?
Rankine cycle comprises of two isothermal and two __________ processes?
Moist air is cooled along the line of constant __________ , when it is passed over a cold & dry cooling coil, such that no condensation occurs ?
Alloy powder manufactured by the following process have spherical shapes ?
Glycerine is used as a coolant in cooling of some engines instead of water, because__________?
The product (s) of roasting of a sulphide ore is (are) ?
A jig is used while __________ a hole?
The heat treatment to which the steel wire containing > 0.25% carbon is subjected to is__________?
Gantt charts are used for streamlining the__________?
Thermodynamic cycle involved in the working of a thermal power plant is the __________ cycle ?
Faraday’s law of electrolysis is related to the__________?
Suitability of steel for its use in cable is judged by its strength in__________?
Change in volume of metals from absolute zero temperature to their melting points is__________?
Which of the following commonly used condenser tube materials has the lowest thermal conductivity ?
One ton of refrigeration is not equivalent to the heat removal rate of __________?
Gage pressure within a spherical droplet of a fluid is ‘p’. What will be gage pressure within a bubble of the same size & of the same fluid ?
In chemical dehumidification of air__________?
Fire refining process is employed in case of__________?
__________ test is the appropriate test to determine whether a material is ductile or brittle ?
The two elements required to form substitutional solid solution should not have__________?
The temperature at which ferromagnetic material can no longer be magnetized by the outside forces, is termed as the__________?
Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen ?
Primary designation of steel is based on its__________?
Powder metallurgy is used to produce__________?
The most important function of a washer is to provide bearing area and washers are normally specified by their hole diameters. The diameter of washer as compared to the nut is__________?
Moist climate is the most favourable factor in the site selection far a__________?
Cold cracking in the heat affected zone of a high strength steel weld can take place because of the__________?
Which of the following forces does not act on a fluid at rest ?
On oscilloscope screen for dynamic measurement, lissajous diagram is normally used to determine the __________ of the input signal?
In connection with corrosion of metals, passivation is the process that__________?
Tempering of a material does not improve its__________?
Heat flow across a hollow sphere of inner radius ‘r1’ and outer radius ‘r2’ is directly proportional to__________?
Plasma is__________?
Materials having resistivity ranging from 1 to 100 ohm. cm is termed as__________?
Steel containing low percentage of nickel, chromium & tungsten are termed as the __________ steel ?
The most important requirement for aluminium industry is the availability of cheap __________?
Which of the following is a boiler accessory i.e., not a boiler mounting ?
What is the value of included angle of a triangular notch for maximum discharge ?
Diamagnetic materials__________?
The hardenability of steel decreases with__________?
For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot ?
Brittleness induced due to the presence of sulphur in steel can be reduced by adding__________?
Closeness of packing is maximum in case of __________ crystal lattice?
In the Bayer’s process, bauxite is digested under pressure using __________?
__________ of hard alloy and tool steel is done to make it easily machinable ?
At 100% relative humidity, the dew point temperature of moist air is__________?
In a neutral solution__________?
Elimination of brittleness resulting from welding of saw blades is done by __________ of the welded portion ?
Which of the following is not the commercial name of poly-methyl-methacrylate (PMMA) ?
Maximum permissible air velocity in pipelines is about __________ metre/second ?

Dielectric___________________?

A. Is an electrical insulating material
B. Of low resistivity is preferred
C. Should have high thermal conductivity
D. Need not defy the corrosive action of chemicals

Correct Answer: Is an electrical insulating material ✔

Last Updated: February 08, 2019