<<= Back Next =>>
You Are On Multi Choice Question Bank SET 307

15351. Percentage of argon (by volume) in dry atmospheric air is about

15352. An abrupt and sudden fall in the readinp of barometer is an indication of the

15353. Steam condenser tubes are made of ad-mirability brass, in which percentage of zinc & copper are __________ respectively.

15354. With increase in temperature, the electrical conductivity of a __________ decreases.

15355. All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent.

15356. Which of the following gases cause global warming ?

15357. Multistage compression of air as compared to single stage compression offers the advantage of

15358. Fine grained steels have

15359. Dislocation cross-slip is difficult in those materials, which have

15360. Shrinkage allowance on pattern is provided to compensate for shrinkage when the

15361. Spark plug is provided in a/an

15362. A transformer is used to

15363. Nusselt number is related to the Reynolds number (Re) in turbulent & laminar flow respectively as

15364. Lead pencil contains

15365. Function of gear box is to

15366. Pearlite comprises of

15367. Which of the following if present in iron ore, enhances its value ?

15368. As per international norms, the maximum permissible value of noise level in the industrial environment is __________ decibels as measured at a distance of 1.5 metres from the source of noise.

15369. LVDT used for displacement measurement is a/an __________ transducer.

15370. A static fluid can not have

15371. In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the

15372. Which of the following is the most elastic material ?

15373. The 'laughing gas' is

15374. Glass reacts with

15375. The cost of providing service in a queing system decreases with the

15376. The activity co-efficient of the solute in a dilute solution

15377. Constituents of stellite are

15378. The kinematic viscosity (in stoke) and the absolute/dynamic viscosity (in poise) are the same for __________ at room temperature.

15379. Multistage compression is necessary for high efficiency,

15380. __________ can not increase the fatigue strength of a material.

15381. If the head is doubled in & centrifugal pump, the power required will increase in the ratio of

15382. Work hardenable alloy steel used to make the bucket wheel excavators, blades of bulldozers and other earth moving equipments contain iron, carbon and

15383. Electrometallurgy is not involved in the extraction of __________ from its ore.

15384. A freely floating object is stable, if its centre of buoyancy

15385. Which of the following materials does not form adherent oxide film on surface ?

15386. Cassiterite is an ore of

15387. In sheet metal forming, stretcher strains occur in

15388. For grinding of softer materials, the grinding wheel should have __________ grain size.

15389. Nusselt number/Biot number varies

15390. Out of the following, maximum temperature drop for a given heat flow & for the same thickness will be in the case of

15391. Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type

15392. Rockwell number represents the

15393. Which of the following fastening devices has its both ends threaded ?

15394. Notched bar test is used for testing the __________ of a material.

15395. The most suitable material for die casting is

15396. Heating of an ore below its melting point in presence of excess of air is called

15397. Depreciation of machines fails under the indirect expenses head. As per income tax regulations, it is calculated by the __________ method.

15398. A semi-conductor is damaged & behaves like a conductor, on passing a strong electric current through it, because it heats up the crystals & breaks the covalant bonds resulting in __________ electrons.

15399. The bank of tubes located at the back of the domestic refrigerators are the __________ tubes.

15400. Material having negative co-efficient of linear expansion 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