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This section includes 2167 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.
1901. |
________ is the main source causing dampness in badly designed kitchens. |
A. | Action of rain |
B. | Condensation |
C. | Exposed tops of walls |
D. | Miscellaneous causes |
Answer» C. Exposed tops of walls | |
1902. |
What is Seeheim main guard against change? |
A. | Part Whole Decomposition |
B. | Layering- placing different classes of functionality into distinct layers |
C. | All of the mentioned |
D. | None of the mentioned |
Answer» C. All of the mentioned | |
1903. |
How many unusual bases are observed in a tRNA molecule? |
A. | 2 |
B. | 3 |
C. | 4 |
D. | 5 |
Answer» E. | |
1904. |
Chromel-Alumel can be used at a temperature range of __________ |
A. | 300-1400 F |
B. | 420-600 F |
C. | 800-1000 F |
D. | 1200-2200 F |
Answer» E. | |
1905. |
The diameter and plane of rotation surface or shaft centre which is used for locating the gear blank during fabrication of the gear teeth is known as |
A. | crown |
B. | back cone |
C. | generating mounting surface |
D. | none of the mentioned |
Answer» D. none of the mentioned | |
1906. |
What is the maximum limit on the frequency that can be used for ground wave communication? |
A. | 6MHz |
B. | 2MHz |
C. | 5MHz |
D. | 3MHz |
Answer» E. | |
1907. |
EIAs commenced in the year: |
A. | 1960s |
B. | 1890s |
C. | 1880s |
D. | 1950s |
Answer» B. 1890s | |
1908. |
What will happen if the fvonly parameter is set to 1? |
A. | Results got for the first view |
B. | Can run the repeat view test |
C. | All of the mentioned |
D. | None of the mentioned |
Answer» B. Can run the repeat view test | |
1909. |
Water |
A. | Oil |
B. | Grease |
C. | Water oil grease |
Answer» B. Grease | |
1910. |
When we perform subtraction on -7 and 1 the answer in 2’s complement form is _________$ |
A. | 1010 |
B. | 1110 |
C. | 0110 |
D. | 1000 |
Answer» E. | |
1911. |
Which of the following stamen is incorrect about Claisen condensation? |
A. | The product is a β-keto ester which resists deprotonation by the strong base in the reaction mixture |
B. | The reaction involves the condensation of two esters in the presence of strong base |
C. | A strong base is required to remove H+ from an α-H position in one of the starting esters |
D. | A strong base is required to remove H+ from an α-H position in one of the starting esters |
Answer» B. The reaction involves the condensation of two esters in the presence of strong base | |
1912. |
How is the condition of an earth electrode measured? |
A. | by measuring the voltage |
B. | by measuring the current |
C. | by measuring the power |
D. | by measuring resistance |
Answer» E. | |
1913. |
When CPOL=1 then, |
A. | clock idles high between transfers |
B. | clock idles low between transfers |
C. | bit idles high between transfers |
D. | bit ideals low between transfers |
Answer» B. clock idles low between transfers | |
1914. |
________ oscillates. |
A. | Auditory perception |
B. | Auditory decision making |
C. | Oscillations |
D. | Auditory perception and oscillations |
Answer» C. Oscillations | |
1915. |
In what machines are the wire bands along the active length of windings placed? |
A. | dc or ac machines |
B. | dc and ac machines |
C. | dc machines |
D. | ac machines |
Answer» D. ac machines | |
1916. |
Mixture can be removed from lubricating oil using _______ |
A. | Tubular centrifuge |
B. | Clarifier |
C. | Sparkler filter |
D. | Vacuum leaf filter |
Answer» B. Clarifier | |
1917. |
Controlling the phase is referred as __________ |
A. | modulation |
B. | half modulation |
C. | amplitude modulation |
D. | phase modulation |
Answer» E. | |
1918. |
An exact cover problem can be represented using: |
A. | incidence matrix |
B. | bipartite graph |
C. | both (a) and (b) |
D. | none of the mentioned |
Answer» D. none of the mentioned | |
1919. |
What is the drum diameter considered while designing the disc filter? |
A. | 0.75-1.5 m |
B. | 2-3 m |
C. | 3-4 m |
D. | 4-5 m |
Answer» B. 2-3 m | |
1920. |
Jacketed kettle is preferred for kettle type reboiler. |
A. | True |
B. | False |
Answer» C. | |
1921. |
If there is bijection between two sets A and B then : |
A. | Cardinality of A is greater than B |
B. | Cardinality of B is greater than A |
C. | Cardinality of B is equal to A |
D. | None of the mentioned |
Answer» D. None of the mentioned | |
1922. |
Part geometry and accessibility of the flash are the factors which decide flash removal process. |
A. | True |
B. | False |
Answer» B. False | |
1923. |
In the technique mentioned in the previous question, arrays of macropores are _____ |
A. | heated to the melting temperature |
B. | soaked in HF solution for several hours |
C. | coated by a lithographic mask |
D. | kept under UV rays |
Answer» D. kept under UV rays | |
1924. |
Which of the following are more stabilized by the substituents groups? |
A. | monomers |
B. | radicals |
C. | equally stabilized |
D. | cannot be determined |
Answer» C. equally stabilized | |
1925. |
A component model defines standards for |
A. | properties |
B. | methods |
C. | mechanisms |
D. | all of the mentioned |
Answer» E. | |
1926. |
The software that is used for file manipulations, managing directories and subdirectories, programming and accounts setups is known as: |
A. | Graphics software |
B. | Operating system |
C. | Application software |
D. | Programming language |
Answer» D. Programming language | |
1927. |
Which system is used to automatically interpret the interference pattern? |
A. | Phase measuring interferometric system |
B. | Multi-color microscopic interferometry system |
C. | Two point distance measuring interferometric system |
D. | Michelson interferometric system |
Answer» B. Multi-color microscopic interferometry system | |
1928. |
Which of the following is untrue about Homology-Based Programs? |
A. | They are based on the fact that exon structures and exon sequences of related species are less conserved |
B. | This approach assumes that the database sequences are correct |
C. | It is a reasonable assumption in light of the fact that many homologous sequences to be compared with are derived from cDNA or expressed sequence tags (ESTs) of the same species |
D. | Potential coding frames in a query sequence are translated and used to align with closest protein homologs found in databases |
Answer» B. This approach assumes that the database sequences are correct | |
1929. |
A ____________ digital hierarchy was required to enable the international communications network to evolve in the optical fiber era. |
A. | Asynchronous |
B. | Dedicated |
C. | Seismic |
D. | Synchronous |
Answer» E. | |
1930. |
If the resultant of all the external forces acting on a system of particles is 0, then from an inertial frame, one can surely say that |
A. | Linear momentum of the system does not change in time |
B. | Kinetic energy of the system does not change in time |
C. | Angular momentum of the system does not change in time |
D. | Potential energy of the system does not change in time |
Answer» B. Kinetic energy of the system does not change in time | |
1931. |
The primary object of structural design is to obtain: |
A. | Structural plan |
B. | Structural solution |
C. | Structural design |
D. | Structural lane |
Answer» C. Structural design | |
1932. |
If the phasors are drawn to represent the rms values, instead of the maximum values, what would happen to the phase angle between quantities? |
A. | Increases |
B. | Decreases |
C. | Remains constant |
D. | Becomes zero |
Answer» D. Becomes zero | |
1933. |
Which of the following is the property because of which a material can be drawn into wires? |
A. | Ductility |
B. | Elasticity |
C. | Malleability |
D. | Strength |
Answer» B. Elasticity | |
1934. |
A waveguide is open circuited at both the ends to use it as a waveguide resonator. |
A. | True |
B. | False |
Answer» C. | |
1935. |
If f(t) = eat cos(bt), then its Laplace transform is |
A. | 2a<sup>3</sup> ‚ÅÑ (s<sup>2</sup> + a<sup>2</sup>) |
B. | s+a ‚ÅÑ s-a |
C. | Indeterminate |
D. | s-a ⁄ (s – a)<sup>2</sup> + b<sup>2</sup> |
Answer» E. | |
1936. |
Which of the following can help determine the extent of nerve damage? |
A. | EMG |
B. | EEG |
C. | Nerve Conduction Velocity Test |
D. | BUN Test |
Answer» D. BUN Test | |
1937. |
If the rotation of the plane is clockwise, the substance is dextrorotatary. |
A. | True |
B. | False |
Answer» B. False | |
1938. |
Which part of the wind mill acts as a housing for the turbine? |
A. | Wind Vane |
B. | Shaft |
C. | Wind mill head |
D. | Turbine |
Answer» D. Turbine | |
1939. |
The expected out turn of cement concrete 1 : 2 : 4 per mason per day is ________ |
A. | 6.5 m<sup>3</sup> |
B. | 1.5 m<sup>3</sup> |
C. | 2.5 m<sup>3</sup> |
D. | 5.0 m<sup>3</sup> |
Answer» E. | |
1940. |
If AM radio station increases its modulation index then there is an increase in receiving RF signal. |
A. | True |
B. | False |
Answer» B. False | |
1941. |
Which of the following antibiotics causes inhibition of ergosterol biosynthesis? |
A. | amphotericin B |
B. | 5-fluorocytosine |
C. | ketoconazole |
D. | miconazole |
Answer» D. miconazole | |
1942. |
Which of the following hardware component is the most important to the operation of a database management system? |
A. | High resolution video display |
B. | Printer |
C. | High speed, large capacity disk |
D. | Mouse |
Answer» D. Mouse | |
1943. |
In some cases, polarisation can affect _____ |
A. | weld fusion zones |
B. | power |
C. | focal position |
D. | spot size |
Answer» B. power | |
1944. |
The amplification factor for a transistor is given by_________ |
A. | A=αR<sub>L</sub>/r<sub>e</sub> |
B. | A=αR<sub>L</sub>r<sub>e</sub> |
C. | A=r<sub>e</sub>/ αR<sub>L</sub> |
D. | A=R<sub>L</sub>/r<sub>e</sub>α |
Answer» B. A=‚âà√≠¬¨¬±R<sub>L</sub>r<sub>e</sub> | |
1945. |
Trojan-Spy programs can keep an eye on how you are using your system. |
A. | True |
B. | False |
Answer» B. False | |
1946. |
The expression 5 – 2 – 3 * 5 – 2 will evaluate to 18, if – is left associative and$ |
A. | * has precedence over * |
B. | * has precedence over – |
C. | – has precedence over * |
D. | – has precedence over – |
Answer» D. ‚Äö√Ñ√∂‚àö√ë‚àö¬® has precedence over ‚Äö√Ñ√∂‚àö√ë‚àö¬® | |
1947. |
When the pumps are in parallel operation |
A. | H = H<sub>1</sub> + H<sub>2</sub> |
B. | 1/H = 1/H<sub>1</sub> +1/ H<sub>2</sub> |
C. | Q = Q<sub>1</sub> + Q<sub>2</sub> |
D. | 1/Q = 1/Q<sub>1</sub> + 1/Q<sub>2</sub> |
Answer» D. 1/Q = 1/Q<sub>1</sub> + 1/Q<sub>2</sub> | |
1948. |
The most important point to consider when writing a mock is that it shouldn’t have any __________.$ |
A. | Redundancy |
B. | Abstraction |
C. | Matchers |
D. | Business Logic |
Answer» E. | |
1949. |
For germline transformation of animal cells, DNA is introduced into ___________ cells. |
A. | Totipotent |
B. | Pluripotent |
C. | Germ |
D. | Somatic |
Answer» B. Pluripotent | |
1950. |
Lake water contains more __________ due to the biological oxidation of the organic matter. |
A. | Oxygen |
B. | Carbon dioxide |
C. | Nitrogen |
D. | Carbon monoxide |
Answer» C. Nitrogen | |