Civil Engineering GATE 2018 Set-2 Questions with Answer

Ques 40 Civil

Four bolts P, Q, R and S of equal diameter are used for a bracket subjected to a load of 130 kN as shown in the figure.

Ques 41 Civil

A singly-reinforced rectangular concrete beam of width 300 mm and effective depth 400 mm is to be designed using M25 grade concrete and Fe500 grade reinforcing steel. For the beam to be under-reinforced, the maximum number of 16 mm diameter reinforcing bars that can be provided is

Ques 42 Civil

A 3 m high vertical earth retaining wall retains a dry granular backfill with angle of internal friction of 30° and unit weight of 20 kN/m³. If the wall is prevented from yielding (no movement), the total horizontal thrust (in kN per unit length) on the wall is

Ques 43 Civil

Three soil specimens (Soil 1, Soil 2 and Soil 3), each 150 mm long and 100 mm diameter, are placed in series in a constant head flow set-up as shown in the figure. Suitable screens are provided at the boundaries of the specimens to keep them intact. The values of coefficient of permeability of Soil 1, Soil 2 and Soil 3 are 0.01, 0.003 and 0.03 cm/s, respectively.

Ques 44 Civil

In a 5 m wide rectangular channel, the velocity u distribution in the vertical direction y is given by:
u = 1.25y^1/6.
The distance y is measured from the channel bed. If the flow depth is 2 m, the discharge per unit width of the channel is _______.

Ques 45 Civil

A car follows a slow-moving truck (travelling at a speed of 10 m/s) on a two-lane two-way highway. The car reduces its speed to 10 m/s and follows the truck maintaining a distance of 16 m from the truck. On finding a clear gap in the opposing traffic stream, the car accelerates at an average rate of 4 m/s², overtakes the truck, and returns to its original lane. When it returns to its original lane, the distance between the car and the truck is 16 m. The total distance covered by the car during this period (from the time it leaves its lane and subsequently returns to its lane after overtaking) is _______.

Ques 46 Civil

A level instrument at a height of 1.320 m has been placed at a station having a Reduced Level (RL) of 112.565 m. The instrument reads -2.835 m on a levelling staff held at the bottom of a bridge deck. The RL (in m) of the bottom of the bridge deck is

Ques 47 Civil

Ques 48 Civil

An 8 m long simply-supported elastic beam of rectangular cross-section (100 mm × 200 mm) is subjected to a uniformly distributed load of 10 kN/m over its entire span. The maximum principal stress (in MPa, up to two decimal places) at a point located at the extreme compression edge of a cross-section and at 2 m from the support is _______.

Ques 49 Civil

A prismatic beam P-Q-R of flexural rigidity EI = 1 × 10⁴ kNm² is subjected to a moment of 180 kNm at Q as shown in the figure.

Ques 50 Civil

A prismatic propped cantilever beam of span L and plastic moment capacity M_p is subjected to a concentrated load at its mid-span.
If the collapse load of the beam is α(M_p/L), the value of α is _______.

Ques 51 Civil

A 6 m long simply-supported beam is prestressed as shown in the figure.

Ques 52 Civil

A cable PQ of length 25 m is supported at two ends at the same level as shown in the figure.