GS21-40

General Science Mock Test

[1-20]   [21-40]   [41-50]

21. Cream gets separated from milk when it is churned because of:
Gravitational force
Centrifugal force
Frictional force
Cohesive force

22. At what point the Centigrade and the Fahrenheit temperatures are the same?
10 degree
0 degree
-10 degree
-40 degree

23. Glass is made of
Sand & Silicate
Quartz & Mica
Sand & Silt
None of these

24. Which of the following is called strategic metal?
Silicon
Titanium
Uranium
Germanium

25.The operation of threading a drilled hole is called
Tapping
Broaching
Lapping
Reaming

26.Which of the following metals can be easily drawn into the wire?
Lead
Copper
Tin
Zinc

27. Type of filter fitted in a tractor is
Paper Type
Cotton Type
Oil-bath Type
Wire Mesh Type

28. Nichrome is commonly used for
Transformer windings
Battery connections
Lamp filament
Heater coils

29. Function of a carburator is
To mix petrol with air
To supply petrol to the engine
To purify the air
To purify the petrol

30. A plug guage is used to measure the
Pitch of thread
Bores of cylinders
Angles
Flatness

31. A fluorescent tube contains
Argon
Nitrogen
Neon
Oxygen

32. Which of the following machines utilizes fly cutters?
Planner
Miling machine
Lathe machine
Shaper

33. It is difficult to magnetize steel because of its
Low permeability
High retentivity
High permeability
High density

34. If the current and the voltage are out of phase by 90 degree, then the power is
Minimum
Maximum
1.1 VI
Zero

35. Megger is an instrument to measure
Very low resistance
Insulation resistance
Q of a coil
Inductance of a coil

36. Which type of reaction produces the most harmful radiation?
Fusion reaction
Chemical reaction
Fission reaction
Photo-Chemical reaction

37. The velocity of sound is maximum in -
Vacuum
Metal
Liquid
Air

38. The focal length of a convex lens is
shorter for blue light than for red
the same for all colours
shorter for red light than for blue
maximum for yellow light

39. A body has a mass of 6 kg on the Earth; when measured on the Moon, its mass would be
nearly 1 kg
6 kg
less than 1 Kg.
less than 6 kg

40. Which of the following is used for correcting myopic eyes?
Convex Lens
Concave Lens
Cylindrical Lens
None of the above

This set of questions are contributed by Dr. S. K. Agrawalla, Lecturer, Dept of APAB
and the page is developed by our student Mr. Neelamadhaba Panigrahi, 2nd semester ICT and Ex-student, Miss Priyadarsini Mishra
Thank U all!!!