18651. In order to avoid excessive multiplication of facilities, the layout preferred is
[A]. product layout
[B]. process layout
[C]. group layout
[D]. static layout
✅ The correct answer is option B.
Engineering
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18652. According to Avogadro’s law, the density of any two gases is __________ their molecular masses, if the gases are at the same temperature and pressure.
[A]. equal to
[B]. directly proportional to
[C]. inversely proportional to
null
✅ The correct answer is option B.
18653. The path of the projectile is a parabola.
[A]. True
[B]. False
null
null
✅ The correct answer is option A.
18654. The velocity of steam leaving the nozzle (V) is given by (where K = Nozzle coefficient or nozzle efficiency, and hd = Enthalpy or heat drop during expansion of steam in a nozzle)
[A]. V = 44.72 hd K
[B]. V = 44.72 K hd
[C]. V = 44.72 K hd
[D]. V = 44.72 K hd
✅ The correct answer is option C.
18655. The diameter of flue tube in a Cornish boiler is __________ that of the shell.
[A]. one-fourth
[B]. one-third
[C]. two-fifth
[D]. three-fifth
✅ The correct answer is option D.
18656. The force exerted by a jet of water (in a direction normal to flow) impinging on a fixed plate inclined at an angle θ with the jet is
[A].
[B].
[C].
[D].
✅ The correct answer is option C.
18657. The object of supercharging the engine is
[A]. to reduce mass ofthe engine per brake power
[B]. to reduce space occupied by the engine
[C]. to increase the power output of an engine when greater power is required
[D]. all ofthe above
✅ The correct answer is option D.
18658. In a flange coupling, the thickness of flanges is taken as one-half the diameter of shaft.
[A]. Agree
[B]. Disagree
null
null
✅ The correct answer is option A.
18659. The static head of a centrifugal pump is equal to the __________ of suction head and delivery head.
[A]. product
[B]. difference
[C]. sum
null
✅ The correct answer is option C.
18660. Nimonic contains __________ percentage of nickel as that of Inconel.
[A]. same
[B]. less
[C]. more
null
✅ The correct answer is option A.