What is the correct answer?


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.

A. Hard

B. Soft

C. Silicon carbide

D. Aluminium oxide

Correct Answer :

D. Aluminium oxide

Related Questions

Insulation of liquid surface can be achieved by __________ on top of its… Depreciation of machines fails under the indirect expenses head. As per… Temperature profile along the length of a gasgas counter flow heat exchanger… Nusselt number is related to Grashoff number (Gr) in turbulent & laminar… The escape velocity of a body on earth which is independent of its mass… Age hardening is connected with The two elements required to form substitutional solid solution should… Hot extrusion process is not used for making __________ metal is used as a bearing liner material. Work done by a/an __________ process is determined by ∫p. dv In chemical dehumidification process A high pressure boiler generates steam at a pressure greater than __________… Evaporative cooling process employs a combination of cooling and humidification… Which of the following is not used as a bearing material? Copper deposits are found in India at the following location: Gratings is associated with the measurement of __________ test determines the yield strength, Young's modulus of elasticity,… Dry saturated steam can be converted into superheated steam by Tesla metre per ampere (T. m/A) is the unit for the measurement of The unit of gc is Primary designation of steel is based on its Catalyst used in the catalytic converter employed in automobiles to convert… The wet bulb temperature is lower in dry air than in wet air at the same… The transition temperature at which all the ferromagnetic materials become… Boiler tube size is specified by its thickness and __________ diameter. In condensers used in thermal power plants, steam is normally used in… Which of the following properties of a solid is not dependent on crystal… In a totally irreversible isothermal expansion process for an ideal gas,… While the oxy-acetylene flame produces a temperature of 3200°C, the… In case of brasses, with decreasing zinc percentage and increasing copper…