Top 150+ Solved Maintenance and Rehabilitation of Structures MCQ Questions Answer
Q. Method of strengthen a weak part of the building is known as________
a. restoration
b. repair
c. retrofitting
d. maintenance
Q. What is minimum projection of beam for earthquake protection? ( L= length of beam)
a. L/3
b. L/2
c. L
d. 2L
Q. According to IS : 4326-1993, what is earthquake resistance of C category buildings?
a. 0.05 – 0.08
b. 0.03 – 0.08
c. 0.06 – 0.08
d. 0.06 – 0.09
Q. What is cement to sand ratio for the mortar used in the repair work of the brick masonry?
a. 1:3
b. 2:3
c. 1:5
d. 5:3
Q. Remove a hole building or part of building in control way is known as ________
a. restoration
b. demolition
c. retrofitting
d. maintenance
Q. Which factors affect the selection of the demolition techniques?
a. size of the building
b. shape of the building
c. available time
d. all of the above
Q. What is minimum distance between building and road, necessary in the case of push armtechnique?
a. 5m
b. 3m
c. 8m
d. 10m
Q. When explosion is used for the demolition of the building, than this technique is known as___
a. implosion technique
b. pressure jetting
c. push arm method
d. none of the above
Q. Which factor does not affect the quantity of the explosive material?
a. column size
b. column shape
c. size of demolition
d. depth of the hole
Q. Which equipment used for starting the explosion in explosive material?
a. detonators
b. starting cap
c. current switch
d. none of the above
Q. What is main purpose of test blasting?
a. to decide effectiveness of explosion
b. to decide a quality of explosion
c. to decide a size of explosion
d. to decide a cost of explosion
Q. What is the direction of manual demolition?
a. top to bottom
b. left to right
c. right to left
d. any direction