A. High pressure & load
B. Low pressure & load
C. High temperature
D. Large surface wear
Correct Answer: High pressure & load ✔
Last Updated: February 08, 2019
Related MCQs
- The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is __________ BTU/hr?
- For preparation of porous bearings by powder metallurgy, preferred particle shape is__________?
- __________ is the hardest oxide and is hence used where high wear resistance at high temperature is required?
- Cobalt – 60 is used as a source of __________ in medical therapy & industrial radiography?
- __________ is used for tying the steel columns to concrete foundation?
- Alloys having more than 80% copper are generally more__________?
- Friction factor for fluid flow in pipe does not depend upon the__________?
- Which of the following is preferred for riveting ?
- In case of simple harmonic motion, displacement is proportional to the__________?
- 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__________?
- The best guide to judge the general quality of water is the measurement of its__________?
- The maximum thickness of the metal which can be welded using ultrasonic welding is __________ mm ?
- All of the following alloying elements of steel increases hardness but sacrifice ductility, except__________?
- Stainless steel is welded using__________?
- Fibre glass is a composite material of__________?
- One face of a furnace wall is at 1030°C and the other face is exposed to room temperature (30°C). If the thermal conductivity of furnace wall is 3 W. m-1. k-1 and the wall thickness is 0.3 m, the maximum heat loss (in W/m) is__________?
- Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV?
- On being hit with a hammer, __________ will readily fracture?
- The usual energy consumption in electric arc furnace steel making is __________ KWh/ton of steel ?
- Which of the following does not have a sharp melting point ?
- Recrystallisation temperature of steel is __________ °C?
- Absolute zero pressure can be attained at a temperature of__________?
- Corrosion of metals cannot be prevented by its__________?
- Other parameters remaining same, the recrystallisation temperature of an alloy is lowered, when__________?
- Which of the following rays has the least wavelength ?
- Which of the following is not a principal alloying element for the structural steel ?
- The following type of bonding is strongly directional in solids ?
- Diffusion co-efficient of a metal in a solid solution depends upon its ?
- Mild steel has __________ crystal lattice structure?
- Wrought iron is never shaped by__________?
- Reduction in the grain size reduces the __________ of the material?
- Lead is poured into the joints between two __________ pipes?
- The most economical channel section for the fluid flow is the one for which the discharge is maximum for a given cross-sectional area. Vertical velocity distribution in an open channel for laminar flow can be assumed to be__________?
- Out of the following, the __________ pipe has the least corrosion resistance?
- An alloy of Fe – 0.4 % C is__________?
- Thermit welding uses the following energy source ?
- Resistance of an electrical conductor is proportional to its (where, l = length and A = crosssectional area of the conductor)__________?
- Which of the following has the highest value of refractive index ?
- The phenomenon occurring during explosion of a hydrogen bomb is__________?
- Energy of the sun arises mainly from __________ reactions?
- According to thermodynamic Fahrenheit scale, the fundamental interval between ice point to steam point is__________?
- Case hardening of a material is__________?
- Milk is fat dispersed in water. It is an example of__________?
- Cemented carbide tools are not suitable for cutting__________?
- Annealing of white cast iron produces __________ iron?
- Direct conversion of thermal energy to electrical energy is facilitated by the__________?
- A dense structure of grinding wheel is not used for the__________?
- If the demand for an item is trebled and the order cost is reduced to one third, then the economic order quantity__________?
- Pressure required to increase the density of water by about 1% is __________ atmosphere?
- The starting of a car takes time in winter, because the__________?
- The difference between gross & net calorific values of fuel is due to the__________?