Multiple Choice
When the cross-hairs are not clearly visible,
A) the cross-hairs should be adjusted
B) the eye-piece should be focussed
C) the objective should be focussed
D) the parallex should be removed
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q6: The process of turning the telescope of
Q7: The true or geographical meridiams through the
Q8: The levelling should always commence from a
Q9: In an optical square, the angle between
Q10: A deflection angle in a traverse is
Q12: In a field book, the booking is
Q13: The angle of intersection of the horizon
Q14: The method of plane tabling commonly used
Q15: The representative fraction 1 / 250° means
Q16: The method of reiteration of measuring horizontal