Bhel Recruitment Newspaper 2


1)Unit of Entropy (J/kg K or kJ/kg K)
2)A volume of 100kg is falling from a peak of 1 m as well as penetrates the sand into for 1 m. What is theresistance forcefulness given yesteryear sand.
3)Ratio of specific heats of air. (1.41)
4)A torso weighs three kg inwards air. If it is submerged inwards a liquid, it weighs 2.5 kg. What is the specific gravity of the liquid.
5)Two cars travell inwards same management at xl km/hr at a regular distance. Influenza A virus subtype H5N1 automobile comes inwards a opposite
direction inwards 60km/hr. It meets each automobile inwards a gap of 8 seconds. What is the distance betwixt them?
6)A unproblematic work involing inwards hoops stress. For sphere: M= [3/2]*p*V*[density of line per unit of measurement area vessel material/Maximum working stress it tin tolerate] For Thin walled line per unit of measurement area walls: Hoops stress or stress inwards the radial management =p*r/2t
7)A work inwards forcefulness calculation inwards a torso moving inwards a inclined surface.
8)Composition of bronze. (Copper+zinc)
9)Compostion of stainless steel.(iron+chromium+nickel+carbon)
10)CI is manifactured inwards which process. (cupola process)
11)What per centum of carbon is preset inwards grunter iron. (4.5 to 6%)
12)Water is available at 10m height. What is the line per unit of measurement area available? (pressure=density*g*height;
p=1000*9.81*10; p=98100N/m2)
13)What volition hap if the speed of the centrifugal centre doubles.
14)The unit of measurement eV is widely used inwards ? (Nuclear as well as atomic physics)
15)What volition hap to the resistance, when the diameter of the conductor is doubled?
16)The ability comsumed yesteryear a electrical device is 1000W at 250V, What is the resistance inwards the device? (Power= Voltage*current; Current=Power/Voltage, Current,I=1000/250=4 amps. V=IR, Therefore R=250/4=62.5 ohms)
17)Why DC electrical flow is non used inwards transformer.
18)On what regulation the sonar/ radar( I dont remember) works?
19)Bending minute diagram for the UDL is inwards what shape?
20)Function of the distributor inwards petrol vehicles? (Spark timing)
21)Which is non acquaint inwards CI engines? (carburrettor)
22)What volition hap if i cylinder recieves to a greater extent than amount of fuel spray from injectors than other injectors?
23)Purpose of draft subway scheme inwards hydraulic turbines? (The role of a draft subway scheme is toconvert some of the kinetic unloose energy of the menstruum from the runner (the rotating business office of the turbine) intopressure unloose energy as well as thereby increment the efficiency ofthe hydro ability turbine. )
24)What is the result or reheater inwards the gas turbine? (The payoff of reheater is significantly increased thrust; the disadvantage is it has real high fuel consumption as well as inefficiency)
25)Problems inwards involving alongside fricition coefficient.
26)Factor of security = Yeild stress/Working stress.
27)Which is the illustration of non parallel ability transmission (Universal coupling)
28)For perpendicular shafts worm gear is used.
29)A planet gear alongside 25 teeth is meshed alongside a Sun gear of 100 teeth. Both are connected using a arm. How many rotations are needed for planet gear to consummate i rotation around the Sun gear?
30)What is equivalent fountain constant for fountain inwards parallel?
31) Some questions was asked related to boundry layer as well as vortex flow.
32) five questions were asked inwards PERT, Process planning, Product planning, Break fifty-fifty analysis.
33)How are tungsten as well as sintered composite materials are machined? (Electro Discharge Machining, EDM)

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