SPSC Sub Engineer Past Paper Dated: 07-10-2015 21- If slab length is more than 4.5m then the props of slabs can safely be removed after: A. 7 days B. 14 days C. 21 daysD. 28 days View Answer Answer : C. 21 days Description 22- Cracking in RC structures is ____ observed problem. A. NeverB. SeldomC. FrequentlyD. Un-certainly View Answer Answer : C. Frequently Description 23- A crack can be repaired by: A. Cement grouting B. Re-plasteringC. EpoxyD. All of these View Answer Answer : D. All of these Description 24- To repair a damaged concrete area, cause of damage: A. May be determined B. Must be determinedC. Need not to determine D. User choice View Answer Answer : B. Must be determined Description 25- White stains on concrete surface are known as: A. CavitationB. PopoutsC. EfflorescenceD. Honey Combing View Answer Answer : C. Efflorescence Description 26- Efflorescence can be cured by: A. PlasteringB. Cleaning and Rinsing C. Washing and Rinsing D. All of these View Answer Answer : D. All of these Description 27- Bituminous stains can best be removed by: A. Washing and Drying B. Sand Blasting and CleaningC. AnyD. Scraping and Scrubbing View Answer Answer : B. Sand Blasting and Cleaning Description 28- Minimum splice length is: A. 6 in B. 12 in C. 18 in D. 24 in View Answer Answer : B. 12 in Description 29- Providing ______ coating on steel bars reduces the corrosion. A. ZincB. CopperC. NickelD. None of these View Answer Answer : A. Zinc Description 30- For one cubic meter of brick masonry number of brick required is: A. 400B. 425C. 450D. 500 View Answer Answer : D. 500 Description 31- Slump test for concrete is carried out to determine: A. StrengthB. DurabilityC. WorkabilityD. Water content View Answer Answer : C. Workability Description 32- Minimum required water cement ratio for a workable concrete is: A. 0.30B. 0.40C. 0.50D. 0.60 View Answer Answer : B. 0.40 Description 33- The portion of a brick cut across the width is called: A. CloserB. Half Brick C. BedD. Bat View Answer Answer : D. Bat Description 34- The concrete slump recommended for foundation is: A. 25 to 50 mm B. 30 to 125 mm C. 50 to 100 mm D. 75 to 125 mm View Answer Answer : D. 75 to 125 mm Description 35- The main principle of surveying is to work: A. From part to the whole B. From whole to the partC. From higher level to the lower level D. From lower to the higher level View Answer Answer : B. From whole to the part Description 36- If whole circle bearing of a line is 120°, its reduced bearing will be: A. S 20° E B. S 60° E C. N 120° E D. N 60° E View Answer Answer : B. S 60° E Description 37- The unit of force in C.G.S system of units is called: A. DyneB. NewtonC. KgD. All of these View Answer Answer : A. Dyne Description 38- The velocity of a moving body is: A. A vector quantityB. A scalar quantityC. A Scalar as well as a vector quantity D. None of these View Answer Answer : A. A vector quantity Description 39- The resultant of the force acting on a body will be zero if the body: A. RotatesB. Move with variable velocity in a straight lineC. Move along a curved path D. Does not move at all View Answer Answer : D. Does not move at all Description 40- When a body falls freely under gravitational force it possesses: A. Maximum weight B. Minimum weight C. No weightD. No effect on its weight View Answer Answer : C. No weight Description 1 2 3 4 5
