500 Best Surveying MCQ
Q41). The instrument, belonging to a class of reflecting instrument, is
a).line ranger
b).box sextent
c).prismatic compass
d).all of these
Correct Answer:
all of these
Explanation:
Q42). In an optical square, the angle between the first incident ray and the last reflected ray is
a).60°
b).90°
c).120°
d).150°
Correct Answer:
90°
Explanation:
Q43). When the object lies on the left hand side of the chain line, then while taking offset with an optical square, it is held in
a).left hand upside down
b).right hand upside down
c).left hand upright
d).right hand upright
Correct Answer:
right hand upright
Explanation:
Q44). The angle between the reflecting surfaces of a prism square is
a).30°
b).45°
c).60°
d).75°
Correct Answer:
45°
Explanation:
Q45). The obstacle, which obstructs vision but not chaining, is a
a).river
b).pond
c).hill
d).all of these
Correct Answer:
hill
Explanation:
Q46). The obstacle, which obstructs chaining but not vision, is a
a).river
b).hill
c).rising ground
d).all of these
Correct Answer:
river
Explanation:
Q47). In a prismatic compass, the zero of the graduated ring is located at
a).north end
b).south end
c).east end
d).west end
Correct Answer:
south end
Explanation:
Q48). The true or geographical meridians through the various stations
a).are parallel
b).converge to the poles
c).converge from north pole to south pole
d).converge from south pole to north pole
Correct Answer:
converge to the poles
Explanation: