Q. The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used. For general purpose cutter grinding __________ grinding wheel is normally used.

View solution

Q. Tin based white metals are used, where bearings are subjected to

View solution

Q. Friction factor for fluid flow in pipe does not depend upon the

View solution

Q. All of the following alloying elements of steel increases hardness but sacrifice ductility, except

View solution

Q. The following type of bonding is strongly directional in solids.

View solution

Q. Fog is an example of colloidal system of

View solution

Q. Chromium molybdenum steel can not be welded using __________ welding.

View solution

Q. Speisses is a mixture of the following:

View solution

Q. Auto collimator is used to check

View solution

Q. Area under the stress-strain curve upto the __________ is referred to as the modulus of resilience.

View solution

Q. __________ is the hardest oxide and is hence used where high wear resistance at high temperature is required.

View solution

Q. Titanium alloys are welded using the Following process:

View solution

Q. An alloy of Fe - 0.4 % C is

View solution

Q. A material in which the atoms are arranged regularly in some directions but not in others, is termed as 'mesomorphous material'; an example of which is

View solution

Q. Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an __________ body.

View solution

Q. In condensers used in thermal power plants, steam is normally used in shell side and cooling water on the tube side, because of the reason that

View solution

Q. Cobalt - 60 is used as a source of __________ in medical therapy & industrial radiography.

View solution

Q. Absolute zero pressure can be attained at a temperature of

View solution

Q. The product out from a cupola is called

View solution

Q. In troposphere (the weather domain), the temperature 't' at height 'h' above the sea level in metres is given by (where, temperature at sea level is 15°C and t is in °C.)

View solution