<<= Back Next =>>
You Are On Multi Choice Question Bank SET 310

15501. __________ number is sometimes used in place of Grashoff number in free convection heat transfer.

15502. Wrought iron does not have the

15503. Nitriding of steel is a process for

15504. The maximum percentage of chromium that can be added to steel is about

15505. Holes in a plate for rivetted joints is preferably made by

15506. The temperature at which a gas, when subjected to Joule-Thomson expansion, neither cools or heats up, is termed as the __________ temperature. Above this temperature the gas heats up on throttling and below this the gas cools down.

15507. Source of heat supply in a cupola is

15508. Machine tool bodies are usually made of

15509. Out of the following, the best material capable of withstanding shock & vibration without the danger of cracking is

15510. On increasing the yield strength of a steel from 450 to 650 MPa, its __________ will increase.

15511. The refractory brick which has good thermal shock resistance at high temperature but cracks on cooling below 400°C is

15512. The path and movements followed by men, materials & equipments in executing the activities is indicated by the

15513. No cutting fluid is normally used, while machining

15514. An orthotropic material is a special class of anisotropic material, which is described by their properties in three perpendicular directions. An example of orthotropic material is

15515. pH value of rain water in India ranges from

15516. The capital & running costs of similar machines having unequal service life can be compared by the __________ method.

15517. Pick the odd man out.

15518. Maraging steels derive their strength from the following mechanism:

15519. Ceramic compounds as compared to metallic compounds

15520. Pressure exerted by a liquid depends upon its

15521. The most detrimental impurity in high pressure boiler feed water is

15522. Who is the author of the book”Origin of Life”?

15523. The refractory lining of the bottom in a basic electric arc furnace is made of

15524. Alcohols are not suitable as diesel engine fuel because the cetane number of alcohols is

15525. Matte smelting is used in the extraction of

15526. Percentage of differential pressure lost in a venturimeter with a tapering of 15° may be about

15527. Compressed dry air is used as the cutting fluid, while machining

15528. Oxide layer formed on the non-ferrous metal surface after its annealing is

15529. Silicon percentage in silicon steel used for electrical equipments is about

15530. Catalyst used in the 'catalytic converter' employed in automobile exhaust line for complete combustion/oxidation of carbon monoxide, nitrogen oxides and hydrocarbons is

15531. Liquid nitrogen containers can be made from

15532. Materials having __________ lattice structure are usually the most ductile.

15533. Metal cutting by oxy-acetylene flame is accomplished by the __________ of the metal.

15534. The material used for coating the welding electrode is termed as the

15535. In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material ?

15536. Even though heat transfer co-efficients in boiling liquids is large, use of fins is advantageous, when the entire surface is exposed to __________ boiling.

15537. In Newton's law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, Vg = velocity gradient ).

15538. Which of the following materials has the least scrap value ?

15539. Force between the molecules of the same substance is called __________ force.

15540. Stresses encountered in the metal forming processes are less than the __________ of the material.

15541. Which of the following is not a ferromagnetic material ?

15542. Rain drops falling through atmospheric air attain limited terminal velocity, because of

15543. Addition of silicon to cast iron

15544. Lead is poured into the joint between two __________ pipes.

15545. About __________ ton of coke is required in a cupola to produce one ton of casting.

15546. There are one octahedral void and __________ tetrahedral void in the closest packing of atoms.

15547. Which of the following is prone to cup and cone fracture ?

15548. __________ remains constant during the adiabatic cooling of moist air.

15549. __________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently.

15550. Out of the following, the alloy which has equal percentage of constituents, is

<<= Back Next =>>
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use | Powered By:Omega Web Solutions
© 2002-2017 Omega Education PVT LTD...Privacy | Terms And Conditions
Question ANSWER With Solution