Related Questions

A semicircular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi circular disc and horizontal surface is µ. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will
A Remain horizontal
B Slant up towards direction of pull
C Slant down towards direction of pull
D None of the above
The hour angle of the heavenly body for Greenwich meridian equals the hour angle of the body for any other meridian + longitude:
A Mean sun
B True sun
C Vernal equinox
D All the above
The smaller horizontal angle between the true meridian and a survey line, is known
A Declination
B Bearing
C Azimuth
D Dip
Longitude of a place is the angular distance between the meridian of the place and
A The standard meridian
B The International Date Line
C That of Greenwich
D Both (A) and (C) of above
A negative declination shows that the magnetic meridian is to the
A eastern side of the true meridian
B western side of the true meridian
C southern side of the true meridian
D none of the above
Magnetic Meridian is a
A Line parallel to the equator of the Earth
B Latitude
C Line joining the geographic north andgeographic south of Earth
D Plane passing through the magnetic north andmagnetic south of Earth
The angle between the observer's meridian and declination circle of a heavenly body, is known as
A Hour angle
B Azimuth
C Right ascension
D Declination
If one angle of a triangle is three times a second angle and the third is 20 degrees more than the second angle, the second angle, in degrees, is
A 32
B 36
C 4
D None of these
The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of
A Friction
B Limiting friction
C Repose
D Kinematic friction
The coupling angle or load angle of synchronous motor is defined as the angle between the
A rotor and stator teeth
B rotor and the stator poles of opposite polarity
C rotor and the stator poles of the same polarity
D none of the above

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