MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The coefficient of earth pressure at rest is given by _________ |
| A. | \(K_0=\frac{μ}{1-μ}\) |
| B. | \(K_0=\frac{μ}{1+μ}\) |
| C. | \(K_0=\frac{2μ}{1-μ}\) |
| D. | \(K_0=\frac{1}{1-μ}\) |
| Answer» B. \(K_0=\frac{μ}{1+μ}\) | |
| 2. |
The lateral earth pressure at rest with respect to Poisson’s ratio is _______ |
| A. | σh=μ(σh-σv) |
| B. | σh=μ(σh-σv) |
| C. | σh=μ(σh+σv) |
| D. | σh=-μ(σh-σv) |
| Answer» D. σh=-μ(σh-σv) | |
| 3. |
The lateral strain in the horizontal direction is _______ |
| A. | \(∈_h=\frac{1}{E} [σ_h-μ(σ_v)] \) |
| B. | \(∈_h=\frac{1}{E} [σ_h-μ(σ_h-σ_v)]\) |
| C. | \(∈_h=\frac{1}{E} [σ_h-μ(σ_h+σ_v)]\) |
| D. | \(∈_h=\frac{1}{E} [σ_h-(σ_h-σ_v)]\) |
| Answer» C. \(∈_h=\frac{1}{E} [σ_h-μ(σ_h+σ_v)]\) | |
| 4. |
For earth pressure at rest, there will be no ______ |
| A. | vertical stress |
| B. | shear stress |
| C. | horizontal stress |
| D. | both vertical and horizontal stress |
| Answer» C. horizontal stress | |
| 5. |
The coefficient earth pressure at rest is _______________ |
| A. | less than coefficient of active pressure |
| B. | greater than coefficient of active pressure |
| C. | equal to coefficient of active pressure |
| D. | one |
| Answer» C. equal to coefficient of active pressure | |
| 6. |
The coefficient of active earth pressure is_______ than the coefficient of passive pressure. |
| A. | less than |
| B. | greater than |
| C. | equal to |
| D. | insufficient data |
| Answer» B. greater than | |
| 7. |
The following move of a PDA is on the basis of:a) Present stateb) Input Symbolc) Both ( |
| A. | Present stateb) Input Symbolc) Both (a) and ( |
| B. | Input Symbol |
| C. | Both (a) and (b) |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 8. |
A string is accepted by a PDA whena) Stack is emptyb) Acceptance statec) Both ( |
| A. | Stack is emptyb) Acceptance statec) Both (a) and ( |
| B. | Acceptance state |
| C. | Both (a) and (b) |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 9. |
The class of languages not accepted by non deterministic, nonerasing stack automata is _______ |
| A. | NSPACE(n2) |
| B. | NL |
| C. | CSL |
| D. | All of the mentioned |
| Answer» E. | |
| 10. |
State true or false:Statement: The operations of PDA never work on elements, other than the top. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 11. |
A push down automaton employs ________ data structure. |
| A. | Queue |
| B. | Linked List |
| C. | Hash Table |
| D. | Stack |
| Answer» E. | |
| 12. |
What is the solid loading rate in kg/ m2.d considered while designing a thickener to treat the sludge from air- activated sludge process? |
| A. | 100 |
| B. | 80 |
| C. | 20-40 |
| D. | 10-15 |
| Answer» D. 10-15 | |
| 13. |
What is the solid loading rate in kg/ m2.d considered while designing a thickener to treat the trickling filter humus? |
| A. | 40-50 |
| B. | 50-100 |
| C. | 100-150 |
| D. | 150-200 |
| Answer» B. 50-100 | |
| 14. |
What is the solid loading rate in kg/ m2.d considered while designing a thickener to treat the primary sludge? |
| A. | 40-50 |
| B. | 50-100 |
| C. | 100-150 |
| D. | 150-200 |
| Answer» D. 150-200 | |
| 15. |
What is the thickened concentration of chemical tertiary sludge( High lime)? |
| A. | 1-2% |
| B. | 3-4% |
| C. | 6-8% |
| D. | 12-15% |
| E. | ?a) 1-2%b) 3-4%c) 6-8%d) 12-15% |
| Answer» E. ?a) 1-2%b) 3-4%c) 6-8%d) 12-15% | |
| 16. |
What is the thickened concentration of primary sludge combined with rotating biological contractor? |
| A. | 1-2% |
| B. | 3-4% |
| C. | 5-8% |
| D. | 9-11% |
| Answer» D. 9-11% | |
| 17. |
What is the thickened concentration of primary sludge combined with trickling filter humus? |
| A. | 1-3% |
| B. | 4% |
| C. | 5-9% |
| D. | 10% |
| Answer» D. 10% | |
| 18. |
_________ is an aerobic process of mixing sewage sludge with agricultural by-product sources. |
| A. | Aerobic digestion |
| B. | Anaerobic digestion |
| C. | Composting |
| D. | Incineration |
| Answer» D. Incineration | |
| 19. |
The convolution of x(n)={1,2,3,1} and h(n)={1,2,1,-1}, origin at 2, is? |
| A. | {1,4,8,8,3,-2,-1}, origin at 4 |
| B. | {1,4,8,8,3,-2,1}, origin at 4 |
| C. | {1,3,8,8,3,-2,-1}, origin at 4 |
| D. | {1,4,8,3,-2,-1}, origin at 4 |
| Answer» B. {1,4,8,8,3,-2,1}, origin at 4 | |
| 20. |
The sample of x(n)={1,2,3,1} and h(n)={1,2,1,-1}, origin at 2, is 7. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 21. |
How can a parallel connected discrete time system respresented? |
| A. | y[n] = x[n] + t[n] + r[n] |
| B. | y[n] = x[n] * t[n] * r[n] |
| C. | y[n] = x[n] * (t[n] + r[n]) |
| D. | y[n] = x[n] + t[n] * r[n] |
| Answer» C. y[n] = x[n] * (t[n] + r[n]) | |
| 22. |
What is this property of discrete time convolution? x[n]*h[n]=y[n], then x[n]*h[n-n0] = x[n-n0]*h[n] = y[n-n0] |
| A. | Distributive |
| B. | Commutative |
| C. | Sym property |
| D. | Shifting property |
| Answer» E. | |
| 23. |
What is the distributive property of a discrete time convolution? |
| A. | [x1(n) + x2(n)]*h(n) = x1(n)* [x2(n) + h(n)] |
| B. | [x1(n) + x2(n)] = x1(n)* [x2(n) + h(n)] |
| C. | [x1(n) + x2(n)]*h(n) = x1(n)* h(n)+ x2(n) * h(n) |
| D. | [x1(n) + x2(n)]*h(n) = x1(n)* h(n)* x2(n) * h(n) |
| Answer» D. [x1(n) + x2(n)]*h(n) = x1(n)* h(n)* x2(n) * h(n) | |
| 24. |
For accurate levelling __________ is attached inside telescope in an automatic level. |
| A. | Alinometer |
| B. | Compensator |
| C. | Cross hairs |
| D. | Double lens |
| Answer» C. Cross hairs | |
| 25. |
Abney level is a type of hand level. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 26. |
Level vials can be of ____________ types. |
| A. | 4 |
| B. | 3 |
| C. | 5 |
| D. | 2 |
| Answer» E. | |
| 27. |
How many chief types of levels are used in levelling? |
| A. | 6 |
| B. | 3 |
| C. | 4 |
| D. | 2 |
| Answer» D. 2 | |
| 28. |
__________ is a metamorphic rock with specific gravity about 2.89 and compressive strength varies from 75 to 207 Newton per mm square. |
| A. | Quartzite |
| B. | Murum |
| C. | Marble |
| D. | Slate |
| Answer» E. | |
| 29. |
_______ is a sedimentary rock with specific gravity varies from 2.65 to 2.95 and compressive strength is 64 Newton per mm square. |
| A. | Limestone |
| B. | Sandstone |
| C. | Laterite |
| D. | Kankar |
| Answer» C. Laterite | |
| 30. |
________ is a metamorphic rock which is hard, brother, crystalline and compact in nature. |
| A. | Quartzite |
| B. | Sandstone |
| C. | Slate |
| D. | Kankar |
| Answer» B. Sandstone | |
| 31. |
________ is a decomposed laterite which is deep brown or red in colour. |
| A. | Quartzite |
| B. | Murum |
| C. | Slate |
| D. | Sandstone |
| Answer» C. Slate | |
| 32. |
_________ is a metamorphic rock with specific gravity about 2.65 and compressive strength is 71 Newton per mm square. |
| A. | Marble |
| B. | Quartz |
| C. | Laterite |
| D. | Slate |
| Answer» B. Quartz | |
| 33. |
_______ is a pure white limestone and which is soft and easy to form powder. |
| A. | Chalk |
| B. | Sandstone |
| C. | Murum |
| D. | Slate |
| Answer» B. Sandstone | |
| 34. |
________ is a metamorphic rock which is used in street paving, rough stone masonry work, etc. |
| A. | Granite |
| B. | Gneiss |
| C. | Marble |
| D. | Sandstone |
| Answer» C. Marble | |
| 35. |
_________ is an igneous rock used for rubble masonry, road metal, foundation work, etc. |
| A. | Basalt |
| B. | Granite |
| C. | Laterite |
| D. | Kankar |
| Answer» B. Granite | |
| 36. |
When the pre-consolidation pressure σp‘ is greater than initial effective pressure σ’0 but smaller than effective pressure σ’, then the final settlement is calculated on the basis of equation _________ |
| A. | \(ρ_f=H \frac{C_c}{1+e_o}log_{10}\frac{σ_p’}{σ’_0}+H \frac{C_c}{1+e_o}log_{10}\frac{σ’}{σ_p’}\) |
| B. | \(ρ_f=H \frac{C_S}{1+e_o}log_{10}\frac{σ_p’}{σ’_0}+H \frac{C_S}{1+e_o}log_{10}\frac{σ’}{σ_p’}\) |
| C. | \(ρ_f=\frac{C_S}{1+e_o}log_{10}\frac{σ_p’}{σ’_0}+\frac{C_c}{1+e_o}log_{10} \frac{σ’}{σ_p’}\) |
| D. | \(ρ_f=H\frac{C_S}{1+e_o}log_{10}\frac{σ_p’}{σ’_0}+H \frac{C_c}{1+e_o}log_{10} \frac{σ’}{σ_p’}\) |
| Answer» E. | |
| 37. |
When the pre-consolidation pressure σp‘ is greater than initial effective pressure σ’0 but smaller than effective pressure σ’, then the final settlement is calculated on the basis of ___________ |
| A. | settlement due to σ’0 to σp‘ using CS only |
| B. | settlement due to σp‘ to σ’ using Cc only |
| C. | settlement due to σ’0 to σp‘ using CS and settlement due to σp‘ to σ’ using Cc |
| D. | settlement due to σ’ to σp‘ using Cc and settlement due to σp‘ to σ’ using Cc |
| Answer» D. settlement due to σ’ to σp‘ using Cc and settlement due to σp‘ to σ’ using Cc | |
| 38. |
For a finite surface loading, the intensity of change in effective pressure decreases with depth of layer in linear manner. |
| A. | True |
| B. | False |
| Answer» C. | |
| 39. |
When the effective pressure is smaller than pre-consolidation pressure, the final settlement is ____________ |
| A. | \(ρ_f=Hlog_{10} \frac{σ’}{σ’_0}\) |
| B. | \(ρ_f=H \frac{C_c}{1+e_o} log_{10} \frac{σ’}{σ’_0}\) |
| C. | \(ρ_f=H \frac{C_S}{1+e_o} log_{10} \frac{σ’}{σ’_0}\) |
| D. | \(ρ_f=H \frac{1}{1+e_o} log_{10} \frac{σ’}{σ’_0}\) |
| Answer» D. \(ρ_f=H \frac{1}{1+e_o} log_{10} \frac{σ’}{σ’_0}\) | |
| 40. |
The recompression index Cs is________ compared to compression index Cc for pre-consolidated soils. |
| A. | small |
| B. | very small |
| C. | large |
| D. | very large |
| Answer» C. large | |
| 41. |
In case of pre-consolidated soil, the final settlement is ___________ |
| A. | small |
| B. | negligible |
| C. | large |
| D. | very large |
| Answer» B. negligible | |
| 42. |
In terms of compression index and voids ratio for normally consolidated soil, the final settlement is _________ |
| A. | \(ρ_f=Hlog_{10} \frac{σ’}{σ’_0}\) |
| B. | \(ρ_f=H \frac{C_c}{1+e_o} log_{10} \frac{σ’}{σ’_0}\) |
| C. | \(ρ_f=\frac{C_c}{1+e_o} log_{10} \frac{σ’}{σ’_0}\) |
| D. | \(ρ_f=H \frac{1}{1+e_o} log_{10} \frac{σ’}{σ’_0}\) |
| Answer» C. \(ρ_f=\frac{C_c}{1+e_o} log_{10} \frac{σ’}{σ’_0}\) | |
| 43. |
The compression index for normally consolidated soil is ____________ |
| A. | constant |
| B. | variable |
| C. | zero |
| D. | unity |
| Answer» B. variable | |
| 44. |
The final settlement in terms of voids ratio is given by ____________ |
| A. | \(ρ_f=\frac{e_o-e}{e_o}H\) |
| B. | \(ρ_f=\frac{e}{1+e_o}H\) |
| C. | \(ρ_f=\frac{e_o-e}{1+e_o}\) |
| D. | \(ρ_f=\frac{e_o-e}{1+e_o}H\) |
| Answer» E. | |
| 45. |
The relation between difference in thickness and voids ratio is given by ___________ |
| A. | \(∆H = \frac{e_o-e}{1+e_o}\) |
| B. | \(\frac{∆H}{H_0} =\frac{e_o-e}{1+e_o}\) |
| C. | \(H_0 = \frac{e_o-e}{1+e_o}\) |
| D. | \(\frac{∆H}{H_0} = \frac{1}{1+e_o}\) |
| Answer» C. \(H_0 = \frac{e_o-e}{1+e_o}\) | |
| 46. |
The integration of the equation \(ρ_f=∫_0^Hm_v ∆σ’dz\) can be performed by _____________ |
| A. | numerical method only |
| B. | graphical method only |
| C. | both numerical method and graphical method |
| D. | can not be performed |
| Answer» D. can not be performed | |
| 47. |
In practical cases, the final consolidation settlement is calculated by the equation ___________ |
| A. | \(ρ_f=∫_0^H m_v Hdz\) |
| B. | \(ρ_f=∫_0^HH∆σ’dz\) |
| C. | \(ρ_f=∫_0^Hm_v H∆σ’ dz\) |
| D. | \(ρ_f=∫_0^Hm_v ∆σ’ dz\) |
| Answer» E. | |
| 48. |
Who conducted consolidation test on a number of clays from different parts of the world? |
| A. | Terzaghi |
| B. | Taylor |
| C. | Skempton |
| D. | Darcy |
| Answer» D. Darcy | |
| 49. |
If the fluid passes upwards, then pressure drop is _________ |
| A. | Increased |
| B. | Degrades |
| C. | Same |
| D. | Can’t be specified |
| Answer» D. Can’t be specified | |
| 50. |
The bulkiness is given as |
| A. | b/a |
| B. | A/a.b |
| C. | b/A.a |
| D. | A/a |
| Answer» C. b/A.a | |