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The most suitable material for die casting is __________________?
Related MCQs
The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : Cp of copper is 23 J K-1mole-1) ?
__________ wire is never used for making the heating element ?
The kinematic viscosity (in stoke) and the absolute/dynamic viscosity (in poise) are the same for __________ at room temperature ?
Which of the following is resistant to the action of both heat & chemicals ?
Saturated steam at a pressure of 25 kg/cm2 is throttled to attain 5 kg/cm2. Then the outcoming steam will be__________?
For the Stoke’s law to be valid in the case of a falling sphere in a fluid, the__________?
An abrupt and sudden fall in the reading of barometer is an indication of the__________?
Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure?
Atomic __________ is a whole number for an element?
Titanium is produced by __________ of Ti Cl4 ?
Metallic surveying tapes are made of __________ which has a low co-efficient of expansion & enough strength ?
In case of brasses, with decreasing zinc percentage and increasing copper percentage, its __________ increases ?
Limestone addition in the blast furnace is done to flux __________ present in the raw materials?
Normalising of a casting does not__________?
__________ is the process of coating the surface of steel with aluminium oxide, thereby imparting it increased resistance to corrosion & oxidation upto a temperature of 700°C ?
Percentage of argon (by volume) in dry atmospheric air is about__________?
Air standard Otto cycle is more efficient than the diesel cycle for the same__________?
Hydrogen can be __________?
Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat interaction of 3000 kJ causes the surroundings to be heated. Internal energy change of the gas during the compression is __________ kJ ?
Electrometallurgical methods of metal extraction is normally used for those metals__________?
What is the percentage of chromium in 18-4-1 high speed steel ?
Austempering of steel requires it to be heated to 875°C followed by sudden cooling to 250- 525°C, thereby changing austenite to__________?
With decrease in the grain size of a material, its creep resistance__________?
An oxidation process is accompanied with decrease in the__________?
Consumable electrodes are used in the __________ welding?
The most important consideration, while designing the refrigeration system of an aircraft is that the refrigeration system__________?
Dew point temperature always gives an indication of the __________ of the moist air ?
Addition of __________ to steel does not help in improving its machinability?
In electrical resistance welding, distortion results from the use of improper__________?
__________ can replace tungsten in high speed steel ?
Multistage compression of air as compared to single stage compression offers the advantage of__________?
The cathode in an electrochemical cell always carries__________?
Which of the following relationships is correct for relating the three elastic constants of an isotropic elastic material (where, E = Young’s modulus, G = Modulus of rigidity or shear modulus v = Poisson’s ratio) ?
Cold chisel & hammers are made of__________?
Dislocation cross-slip is difficult in those materials, which have__________?
In a counter flow heat exchanger, hot fluid enters at 170°C & leaves at 150°C, while the cold fluid enters at 50°C & leaves at 70°C. The arithmetic mean temperature difference in this case is __________ °C?
For a small scale toy factory, the fixed cost per month is Rs. 5000/-. The variable cost per toy is Rs. 20 and sales price is Rs. 30 per toy. The break even production per month will be __________ toys ?
A solid aluminium ball, when quenched in a water bath maintained at 40°C, cools down from 550°C to 450°C in 20 seconds. The expected temperature of the ball after next 20 seconds may be about __________ °C?
Spark plug is provided in a/an__________?
Pick out the correct statement about the condensation?
Pick out the correct statement?
Pick out the wrong statement ?
Pick out the wrong statement ?
Pick out the wrong statement ?
Pick out the wrong statement ?
Pick out the wrong statement?
Pick out the wrong statement about the machinability of metals. Machinability of a metal ?
Increasing the carbon content of steel__________?
The ‘transition temperature’ for ductile to brittle behavior of steel increases with increase in the __________ content in steel?
Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is__________?
Out of the following, the most malleable material is__________?
The most suitable material for die casting is __________________?
A. Iron
B. Copper
C. Steel
D. Nickel
Correct Answer:
Copper
✔
Last Updated:
February 11, 2019