Entropy of the universe tends to
A.A minimum
B.Zero
C.A maximum
D.No particular value as it remains constant
Category: Mechanical Engineering Mcqs
The minimum demand on a power station is 10 MW. If the annular load factor is 40%, total evergy generated per year will be
A.35.04 x 108 kWh
B.35.04 x 107 kWh
C.35.04 x 106 kWh
D.35.04 x 105 kWh
Gun metal is an alloy containing
A.Copper, nickel, silver
B.Copper, lead, tin
C.Copper, tin, silver
D.Copper, tin, zinc
E.Copper, zinc, silver
The advantage of oxygen enriched cupola is
A.higher temperature of molten iron
B.high efficiency of cupola
C.reduced heat loss in waste gases
D.all of the above
Flow of water in a pipe of 250 cm diameter can be measured by
A.Orifice plate
B.Venturimeter
C.Rotameter
D.Pitot tube
E.Manometer
If a material recovers its original dimensions, when the load is removed, it is known as
A.Brittle
B.Elastic
C.Plastic
D.Annealed
E.Soft
According to the principle of transmissibility of forces, when a force acts upon a body ; its effect is
A.Minimum when it acts at C.G. of the body
B.Maximum when it acts at C.G. of the body
C.Different at different points of body
D.Same at every point in its line of action
E.None of the above
A bullet is fired vertically upwards with a velocity of 2200 ft/s. Bullet ascends to a height of
A.48.300 ft
B.56,900 ft
C.65,800 ft
D.75,000 ft
By compacting the sand
A.density increases and permeability
B.density decreases and permeability increases
C.both density as well as permeability decrease
D.both density as well as permeability increase
Which of the following disadvantages occurs due to low power factor?
A.Greater conductor size
B.Poor voltage regulation
C.Large copper losses
D.Large KVA rating of transformers
E.All of the above
