UPDA QATAR

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1. Residual soils are formed by a) glaciers b) wind c) water d) none of the above Ans:d 2. Water content of soil can a) never be greater than 100 % b) take values only from 0 % to 100 % c) be less than 0 % d) be greater than 100 % Ans:d 3. Which of the following types of soil is transported by gravitational forces ? a) loess b) talus c) drift d) dune sand Ans:b 4. A fully saturated soil is said to be a) one phase system b) two phase system with soil and air c) two phase system with soil and water d) three phase system Ans:c 5. Valid range for S, the degree of saturation of soil in percentage is a) S>0 b) S<0 c) 0<S<100 d) 0 < S < 100 Ans:d 7. A soil has a bulk density of 22 kN/m3 and water content 10 %. The dry density of soil is a) 18.6 kN/m3 b) 20.0 kN/m3 c) 22.0 kN/m3 d) 23.2 kN/m3 Ans:b 8. If the voids of a soil mass are full of air only, the soil is termed as a) air entrained soil b) partially s

1. Fluid is a substance that (a) cannot be subjected to shear forces (b) always expands until it fills any container (c) has the same shear stress.at a point regardless of its motion (d) cannot remain at rest under action of any shear force (e) flows. Ans: d 2. Fluid is a substance which offers no resistance to change of (a) pressure (b) flow (c) shape (d) volume (e) temperature. Ans: c 3. Practical fluids (a) are viscous (b) possess surface tension (c) are compressible (d) possess all the above properties (e) possess none of the above properties. Ans: d 4. In a static fluid (a) resistance to shear stress is small (b) fluid pressure is zero (c) linear deformation is small (d) only normal stresses can exist (e) viscosity is nil. Ans: d 5.     A fluid is said to be ideal, if it is (a) incompressible (b) inviscous (c) viscous and incompressible (d) inviscous and compressible (e) inviscous and incompressible. Ans: e 6.     An

Hi any questions mail me on jawedenc@gmail.com Sign up Loading... Electrical Question : ELECTRICAL QUESTION 1. A circuit breaker is (A) power factor correcting device (B) a device to neutralize the effect of transients (C) a waveform correcting device (D) a current interrupting device. Get Answer:   D 2. The function of protective relay in a circuit breaker is (A) to each any stray voltages (B) to close the contacts when the actuating quantity reaches a certain predetermined value (C) to limit arcing current during the operation of circuit breaker (D) to provide additional safety in the operation of circuit breaker. Get Answer:   B 3. Low voltage circuit breakers have rated voltage of less than (A) 220 V (B) 400V (C) 1000 V (D) 10,000 V. C 4. The fault clearing time of a circuit breaker is usually (A) few minutes (B) few seconds (C) one second (D) few cycles of supply voltage. D 5. The medium employed for extinction of arc in air circui

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