MAHARASHTRA PUBLIC SERVICE COMMISSION MPSC - ENGINEERING SERVICES (PRE) CIVIL ENGINEERING EXAM 2011 - SOLVED PAPER FREE DOWNLOAD PDF (StudyCivilEngg.com)
MAHARASHTRA PUBLIC SERVICE COMMISSION
ENGINEERING SERVICES (ES)
CIVIL ENGINEERING EXAM - 2011
SOLVED PAPER WITH EXPLANATIONS
FREE DOWNLOAD PDF
Maharashtra Public Service Commission (MPSC) Engineering Services Exam for Civil Engineering stream conducted in year 2011, download the Solved Paper in PDF format for free of cost, only at StudyCivilEngg. Below are the sample questions present in the PDF. Download link provided at the bottom of this page.
MPSC ES 2011 CIVIL ENGINEERING EXAM QUESTIONS & SOLUTIONS (SAMPLE)
QUESTION 25. The sudden failure of a prestressed member without any warning is generally due to
a. Fracture of steel is compression zone
b. Fracture of steel in tension zone
c. Crushing of concrete
d. Web shear cracks
Answer (b) : The sudden failure of pre-stressed member without any warning is generally due to the fracture of steel in the tension zone. This type of failure is imminent when the percentage of steel provided in the section is so low that when the concrete in the tension zone cracks, the steel is not in a position bear the additional tensile stress transferred to it by the cracked concrete, this type of failure can be prevented by providing a certain minimum percentage of steel in the cross section.
QUESTION 26. For gravity retaining wall earth pressure exerted by back-fill is resisted by
b. Fracture of steel in tension zone
c. Crushing of concrete
d. Web shear cracks
Answer (b) : The sudden failure of pre-stressed member without any warning is generally due to the fracture of steel in the tension zone. This type of failure is imminent when the percentage of steel provided in the section is so low that when the concrete in the tension zone cracks, the steel is not in a position bear the additional tensile stress transferred to it by the cracked concrete, this type of failure can be prevented by providing a certain minimum percentage of steel in the cross section.
QUESTION 26. For gravity retaining wall earth pressure exerted by back-fill is resisted by
a. Bending action of stem and bottom slab
b. Tension in the counterfort
c. Dead weight of wall
d. None of the above
Answer (c) : Gravity retaining walls are designed to resist earth pressure by their weight. They are constructed of the mass, concrete, brick or stone masonry since these materials can not resist appreciable tension the design aims at preventing tension in the wall. The wall must be safe against sliding and overturning. Also the maximum pressure excreted on the foundation soil should not exceed the safe bearing capacity of soil.
QUESTION 28. When the steel plates are placed end to end and flushed with each other and are joined by means of cover plates on either side such a joint is known as
b. Tension in the counterfort
c. Dead weight of wall
d. None of the above
Answer (c) : Gravity retaining walls are designed to resist earth pressure by their weight. They are constructed of the mass, concrete, brick or stone masonry since these materials can not resist appreciable tension the design aims at preventing tension in the wall. The wall must be safe against sliding and overturning. Also the maximum pressure excreted on the foundation soil should not exceed the safe bearing capacity of soil.
QUESTION 28. When the steel plates are placed end to end and flushed with each other and are joined by means of cover plates on either side such a joint is known as
a. Zig-Zag rivet lap joint
b. Chain riveted lap joint
c. Double cover butt joint
d. Flushed rivet joint
Answer (c) : Butt joint- The two members to be connected are placed end to end. Additional plate provided on either one or both sides called cover plates are placed and are connected to the main place.
If the cover plates are provided on both sides of the main plates, It is called a double cover butt joint. In the case of a double cover butt joint, the total shear force to be transmitted by the members is split into two parts and the force acts on each half.
In the case of a double cover butt joint, eccentricity of forces does not exist and hence bending is eliminated, whereas it exists in the case of a lap joint.
QUESTION 34. Residual soil is a soil
b. Chain riveted lap joint
c. Double cover butt joint
d. Flushed rivet joint
Answer (c) : Butt joint- The two members to be connected are placed end to end. Additional plate provided on either one or both sides called cover plates are placed and are connected to the main place.
If the cover plates are provided on both sides of the main plates, It is called a double cover butt joint. In the case of a double cover butt joint, the total shear force to be transmitted by the members is split into two parts and the force acts on each half.
In the case of a double cover butt joint, eccentricity of forces does not exist and hence bending is eliminated, whereas it exists in the case of a lap joint.
QUESTION 34. Residual soil is a soil
a. Which stays at the place of its formation
b. Which deposits at a place away from place of its origin
c. Both (a) and (b)
b. Which deposits at a place away from place of its origin
c. Both (a) and (b)
d. Neither (a) nor (b)
Ans. (a) : If the soil stays at the place of its formation just above the parent rock, it is known as residual soil or sedentary soil. The thickness of residual soil formation is generally limited to a few meters. When the soil has been deposited at a place away form the place of the origin. It is called a transported soil.
QUESTION 35. For compacted soil, maximum dry density is obtained corresponding to
Ans. (a) : If the soil stays at the place of its formation just above the parent rock, it is known as residual soil or sedentary soil. The thickness of residual soil formation is generally limited to a few meters. When the soil has been deposited at a place away form the place of the origin. It is called a transported soil.
QUESTION 35. For compacted soil, maximum dry density is obtained corresponding to
a. Minimum water content
b. Optimum water content
c. Maximum water content
d. None of the above
Ans. (b) : It is observed that the dry density initially increase with an increase in water content till the maximum density is attained with further increase in water content, the dry density decreases. The water content corresponding to the maximum dry density is known as the optimum water content or the optimum moisture content.
b. Optimum water content
c. Maximum water content
d. None of the above
Ans. (b) : It is observed that the dry density initially increase with an increase in water content till the maximum density is attained with further increase in water content, the dry density decreases. The water content corresponding to the maximum dry density is known as the optimum water content or the optimum moisture content.
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