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This section includes 2095 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.
| 1951. |
Up to what temperatures are high alloy steels heated before treating them by oxygen cutting? |
| A. | 675°C |
| B. | 725°C |
| C. | 775°C |
| D. | 825°C |
| Answer» B. 725¬¨¬®‚Äö√†√ªC | |
| 1952. |
Which is the commutative property of the LTI System in case of discrete time system? |
| A. | x[n]+h[n]=h[n]+x[n] |
| B. | x[n]+h[n]=h[n]*x[n] |
| C. | x[n]*h[n]=h[n]*x[n] |
| D. | x[t]*h[t]=h[n]*x[n] |
| Answer» D. x[t]*h[t]=h[n]*x[n] | |
| 1953. |
The first amino acid added by the tRNA is added to the anticodon ____________ |
| A. | AUG |
| B. | UAC |
| C. | ACG |
| D. | UGC |
| Answer» C. ACG | |
| 1954. |
Which of the following are used as blood substitutes? |
| A. | Hemoglobin based oxygen carriers, Perfluorocarbon emulsions |
| B. | Plasma, hemoglobin based oxygen carriers |
| C. | Plasma, hematopoetic cells |
| D. | Hematopoetic cells encapsulating hemoglobin, perfluorocarbon emulsions |
| Answer» B. Plasma, hemoglobin based oxygen carriers | |
| 1955. |
Which of the following is one of the most commonly used anode material? |
| A. | Carbon |
| B. | Tungsten |
| C. | Magnesium |
| D. | Cesium |
| Answer» D. Cesium | |
| 1956. |
____________ forms the first link in transmitting the gas forces to the output shaft. |
| A. | Cylinder |
| B. | Piston |
| C. | Combustion chamber |
| D. | Exhaust manifold |
| Answer» C. Combustion chamber | |
| 1957. |
The magnetising current of a transformer is usually small because it has _______ |
| A. | Small air gap |
| B. | Large leakage flux |
| C. | Laminated silicon steel core |
| D. | Fewer rotating parts |
| Answer» B. Large leakage flux | |
| 1958. |
The continuous strain, which the concrete undergoes due to application of external loads, is called __________ |
| A. | Workability |
| B. | Segregation |
| C. | Bleeding |
| D. | Creep |
| Answer» E. | |
| 1959. |
The graduations of which scale is derived from the primary scale? |
| A. | Comparative scale |
| B. | Vernier scale |
| C. | Plain scale |
| D. | Diagonal scale |
| Answer» C. Plain scale | |
| 1960. |
The spacing of joint depends on |
| A. | Type of joint |
| B. | Type of construction |
| C. | Type of material |
| D. | Same for all joints |
| Answer» B. Type of construction | |
| 1961. |
Monopolar needle electrode have a coating of______________ material over the stainless steel wires which are bare only at the tips. |
| A. | carbon |
| B. | calcium |
| C. | teflon |
| D. | sodium |
| Answer» D. sodium | |
| 1962. |
Site Hazard Assessment always necessary. True or False. |
| A. | True |
| B. | False |
| Answer» C. | |
| 1963. |
_________ are too large to easily be measured by their zeta potential. |
| A. | Filbers |
| B. | Cationic polymer |
| C. | Lyophobic |
| D. | Lyophilic |
| Answer» B. Cationic polymer | |
| 1964. |
How the gas behave across the fluidized bed, when the velocity is more than minimum fluidization? |
| A. | Bubbles formation |
| B. | Slugs formation |
| C. | Smooth flow |
| D. | None of the mentioned |
| Answer» B. Slugs formation | |
| 1965. |
What is the kind of lattice in a delta iron? |
| A. | Face centered cubic |
| B. | Body centered cubic |
| C. | Hexagonal closely packed |
| D. | Tetragonal closely packed |
| Answer» C. Hexagonal closely packed | |
| 1966. |
Which of the following is not the component of USM machine? |
| A. | Slurry delivery |
| B. | Transducer |
| C. | Concentrator |
| D. | Lead screw |
| Answer» E. | |
| 1967. |
For a _________ state DFA, the time taken for DFA-NFA conversion is O(n). |
| A. | n |
| B. | n<sup>1/2</sup> |
| C. | n<sup>2</sup> |
| D. | 2<sup>n</sup> |
| Answer» B. n<sup>1/2</sup> | |
| 1968. |
Which one of the following is the apex organization in the country in the field of pollution control? |
| A. | Water Pollution Control Board |
| B. | State Pollution Control Board |
| C. | Central Pollution Control Board |
| D. | Air pollution Control Board |
| Answer» D. Air pollution Control Board | |
| 1969. |
To arrive at a form which is suitable for implementation in some programming language is the purpose of |
| A. | Structured Analysis (SA) |
| B. | Structured Design (SD) |
| C. | Detailed Design (DD) |
| D. | None of the mentioned |
| Answer» C. Detailed Design (DD) | |
| 1970. |
The net safe bearing capacity is defined by which of the following equation? |
| A. | qns=qnf / F |
| B. | qns = qnf + σ̅ |
| C. | qns = qf – σ̅ |
| D. | All of the mentioned |
| Answer» B. qns = qnf + ‚âà√¨‚àö√¢‚àö√â‚àö√± | |
| 1971. |
The fill command cannot take more than ______ inputs. |
| A. | 1 |
| B. | 3 |
| C. | 2 |
| D. | Many |
| Answer» C. 2 | |
| 1972. |
The Fermat’s little theorem for odd prime p and coprime number a,is:$ |
| A. | a<sup>p-1</sup> ≡ 1 (mod p) |
| B. | a<sup>p-1</sup> ≡ 7 (mod p) |
| C. | a<sup>p(2)-1</sup> ≡ 1 (mod p) |
| D. | None of the mentioned |
| Answer» B. a<sup>p-1</sup> ‚Äö√Ñ√∂‚àö¬¢¬¨‚àû 7 (mod p) | |
| 1973. |
Which of the following is a ferrous foundry? |
| A. | Brass foundry |
| B. | Bronze foundry |
| C. | High alloy steel foundry |
| D. | Zinc-base foundry |
| Answer» D. Zinc-base foundry | |
| 1974. |
Which of the following causes the disease acne vulgaris? |
| A. | Staphylococcus epidermis |
| B. | Diphtheroids |
| C. | P.acnes |
| D. | E.coli |
| Answer» D. E.coli | |
| 1975. |
The phase variation for an oscillator or synthesizer is given by: |
| A. | ∆f*sin ω<sub>m</sub>t/ f<sub>m</sub> |
| B. | ∆f / f<sub>m</sub> |
| C. | Sin ω<sub>m</sub>t/ f<sub>m</sub> |
| D. | None of the mentioned |
| Answer» B. ‚Äö√Ñ√∂‚àö‚Ć‚àö√∫f / f<sub>m</sub> | |
| 1976. |
_______ occurs at places where there is considerable variation in the height of water table. |
| A. | Transpiration of trees and shrubs |
| B. | Atmospheric action |
| C. | Horizontal movement of earth |
| D. | Withdrawal of moisture from the sub-soil |
| Answer» E. | |
| 1977. |
Which of these statements are truly acceptable ? |
| A. | A precondition is an assertion guaranteed to be true when the activity or operation finishes |
| B. | A post condition is an assertion guaranteed to be true when the activity or operation begins |
| C. | Trigger is an event which cause a use case to begin |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 1978. |
The surface integral of which parameter is zero? |
| A. | E |
| B. | D |
| C. | B |
| D. | H |
| Answer» D. H | |
| 1979. |
Which of the following is the main task accomplished by the user? |
| A. | Compose a document |
| B. | Create a spreadsheet |
| C. | Send mail |
| D. | All of the mentioned |
| Answer» E. | |
| 1980. |
Placenta produces __________ |
| A. | Prolactin |
| B. | Oxytocin |
| C. | FSH |
| D. | Estrogen and progesterone |
| Answer» E. | |
| 1981. |
What is Eutectoid reaction at 727°C?$ |
| A. | L (0.53% C) + δ(0.09% C) → γ(0.17% C) |
| B. | L (4.3% C) → γ(2.1 % C) + Fe<sub>3</sub>C (6.67% C) |
| C. | γ (0.8 % C) → α (0.025% C) + Fe<sub>3</sub>C (6.67% C) |
| D. | L (0.53% C) + δ(0.09% C) → γ (0.8 % C) |
| Answer» D. L (0.53% C) + ‚âà√≠¬¨‚Ä¢(0.09% C) ‚Äö√Ñ√∂‚àö√∫‚àö‚↠‚âà√≠‚Äö√¢‚Ä¢ (0.8 % C) | |
| 1982. |
A whistle giving out 450Hz approaches a stationary observer at a speed of 33m/s. The frequency heard by the observer in Hz is (speed of sound = 330m/s) |
| A. | 409 |
| B. | 429 |
| C. | 517 |
| D. | 500 |
| Answer» E. | |
| 1983. |
After hybridization how the position of the labelled DNA probe is determined? |
| A. | By staining |
| B. | By UV irradiation |
| C. | By using chemiluminescence |
| D. | By electronic microscope |
| Answer» D. By electronic microscope | |
| 1984. |
What is the nature of the swap file in the Windows NT? |
| A. | static |
| B. | dynamic |
| C. | linear |
| D. | non-linear |
| Answer» C. linear | |
| 1985. |
In pseudo-random testing, the test length should be ________ the exhaustive test |
| A. | lesser than |
| B. | greater than |
| C. | more than |
| D. | none of the mentioned |
| Answer» B. greater than | |
| 1986. |
What do you mean by Optimum temperature? |
| A. | Least temperature at which the reaction starts |
| B. | Average temperature to produce desired product |
| C. | Temperature at which we get maximum yield |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 1987. |
In modern engines cylinder block and crank case forms a single casting because _________ |
| A. | reduces space consumption |
| B. | rigid structure |
| C. | wearing properties |
| D. | can withstand high temperature |
| Answer» C. wearing properties | |
| 1988. |
Force-displacement requirement of statically indeterminate structures depend upon which factor? |
| A. | material’s response |
| B. | magnitude of load applied |
| C. | supports |
| D. | position of load applied |
| Answer» B. magnitude of load applied | |
| 1989. |
The output resistance of the op-amp with feedback is |
| A. | Same as that of the output resistance without feedback |
| B. | Greater than that of the output resistance without feedback |
| C. | Smaller than that of the output resistance without feedback |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 1990. |
What is the temperature measured by a probe on the exterior of a moving aircraft? |
| A. | Static temperature |
| B. | Stagnation temperature |
| C. | Free stream temperature |
| D. | Constant temperature |
| Answer» C. Free stream temperature | |
| 1991. |
Successive approximation type DVM is based on the principle of ______ |
| A. | acceleration of an object |
| B. | weight of an object |
| C. | velocity of an object |
| D. | momentum of an object |
| Answer» C. velocity of an object | |
| 1992. |
Calculate the initial weight of moisture if one kg block of borax laundry soap with initial moisture content of 15 % is dried and brought to 14.8%. |
| A. | 0.168 |
| B. | 0.130 |
| C. | 0.200 |
| D. | 0.300 |
| Answer» C. 0.200 | |
| 1993. |
Where the gel effect is generally more evident in radical polymerization? |
| A. | concentrated monomer |
| B. | diluted monomer |
| C. | independent of concentration |
| D. | none of the mentioned |
| Answer» B. diluted monomer | |
| 1994. |
Which of the following defines the given statement – “Any relationship between organisms of different species in which one organism is inhibited or destroyed while the other organism remains unaffected”?$ |
| A. | Neutralism |
| B. | Mutualism |
| C. | Commensalism |
| D. | Amensalism |
| Answer» E. | |
| 1995. |
Which air pollutant cause corrosion of building? |
| A. | SO<sub>2</sub> |
| B. | SO<sub>3</sub> |
| C. | CO |
| D. | NO<sub>2</sub> |
| Answer» B. SO<sub>3</sub> | |
| 1996. |
SiC is used as abrasive for harder materials. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 1997. |
Trp repressor is a |
| A. | Homodimer |
| B. | Homotrimer |
| C. | Heterodimer |
| D. | Heterotrimer |
| Answer» B. Homotrimer | |
| 1998. |
An OSPF router receives an LSA. The router checks its sequence number and finds that |
| A. | |
| B. | |
| Answer» C. | |
| 1999. |
When a signal is assigned a value inside a process, then the value of a signal is updated _________ |
| A. | Immediately |
| B. | After one delta cycle |
| C. | At the end of the corresponding process |
| D. | At the end of architecture |
| Answer» D. At the end of architecture | |
| 2000. |
The task of keeping a view up to date with the underlying data is called as ________ |
| A. | View handling |
| B. | View maintenance |
| C. | View management |
| D. | None of the mentioned |
| Answer» C. View management | |