MCQOPTIONS
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MCQOPTIONS
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.
| 901. |
What type of optimisation technique is represented in the following diagram? |
| A. | Fuzzy Logic |
| B. | Hidden Markov Model |
| C. | Case Based Reasoning |
| D. | Evolutionary Algorithm |
| Answer» B. Hidden Markov Model | |
| 902. |
Which among the following combination of layers can be used to improve blockage control? |
| A. | Physical-Datalink |
| B. | Datalink – network |
| C. | Physical-Transport layer |
| D. | Datalink- Transport layer |
| Answer» D. Datalink- Transport layer | |
| 903. |
Which among the following is not a function of the MAC layer in cognitive radio? |
| A. | Manage accessibility of assets |
| B. | Change client configuration |
| C. | Change density of design |
| D. | Choose multiple access techniques |
| Answer» E. | |
| 904. |
Which layer performs adaptive modulation and coding? |
| A. | Network layer |
| B. | Transport layer |
| C. | Physical layer |
| D. | Data link layer |
| Answer» D. Data link layer | |
| 905. |
Which among the following is not an advantage of employing cross-layer design implementation? |
| A. | High accuracy of computation results required in algorithms |
| B. | Elimination of wasteful calculations |
| C. | High quality of service |
| D. | Better performance during spectrum handoff |
| Answer» E. | |
| 906. |
Which among the following is not an expected result of cross-layer design? |
| A. | High end to end throughput |
| B. | Reduced network capacity |
| C. | Reduced interference |
| D. | Reduced power consumption |
| Answer» C. Reduced interference | |
| 907. |
Which among the following is a building unit of cross-layer hub? |
| A. | Cross-layer intra hub module |
| B. | Cross-layer interface |
| C. | Cross-layer scheduler |
| D. | Cross-layer director |
| Answer» B. Cross-layer interface | |
| 908. |
Which among the following is not a design methodology in the implementation of cross-layer design? |
| A. | Exchange of information among several layers during run time |
| B. | Storage of information in different storage structures |
| C. | Construction of mutual database with easy access for each layer in the protocol stack |
| D. | Construction of channel models to estimate the propagation of a signal in the channel environment |
| Answer» E. | |
| 909. |
Which among the following cannot be achieved by creating a mutual database? |
| A. | Administration of capacity |
| B. | Recovery of data |
| C. | Rapid access to data by every layer |
| D. | Limited resource usage |
| Answer» E. | |
| 910. |
Which among the following statements is false about cross-layer design? |
| A. | High quality of service can be provided by exchanging information among all layers of the protocol stack |
| B. | Diverse waveforms are employed for power and modulation process |
| C. | Cross-layer design helps to eliminate channel variations caused by blurring |
| D. | Cross-layer design makes channel connections unpredictable |
| Answer» E. | |
| 911. |
What is cross-layer design? |
| A. | Cross-layer design allows non adjacent layers to exchange information which are traditionally relevant to a layer itself |
| B. | Cross-layer design allows only adjacent layers to exchange information with each other |
| C. | Cross-layer design provides control of lower layer functions to the upper layer functions |
| D. | Cross-layer design provides control of upper layer functions to the lower layer functions |
| Answer» B. Cross-layer design allows only adjacent layers to exchange information with each other | |
| 912. |
The molecular weight of the step polymers is not the _________ |
| A. | Sum of the molecular weights of monomer |
| B. | Sum of the molecular weight of some monomers |
| C. | Sum of the water molecular weight |
| D. | Sum of the weights of the bi-products. |
| Answer» B. Sum of the molecular weight of some monomers | |
| 913. |
The functionality of the monomer must be _________ |
| A. | Two |
| B. | Three |
| C. | Four |
| D. | Two or more than two |
| Answer» E. | |
| 914. |
The polymerisation of a diacid with diol produces ____________ |
| A. | Polyethylene |
| B. | Poly-ethane |
| C. | Poly-methane |
| D. | Polyester |
| Answer» E. | |
| 915. |
The step polymerisation takes place by __________ |
| A. | Addition reaction |
| B. | Condensation reaction |
| C. | Co-ordination polymerisation |
| D. | Anionic polymerisation |
| Answer» C. Co-ordination polymerisation | |
| 916. |
Pseudo prime are classified based on property which they satisfy, which of the following are classes of pseudoprimes? |
| A. | Fermat pseudoprime |
| B. | Fibonacci pseudoprime |
| C. | Euler pseudoprime |
| D. | All of the mentioned |
| Answer» E. | |
| 917. |
What is pseudo prime number? |
| A. | is a probable prime and is not a prime number |
| B. | is a prime number |
| C. | does not share any property with prime number |
| D. | none of the mentioned |
| Answer» B. is a prime number | |
| 918. |
8 is quardratic residue of 11. |
| A. | True |
| B. | False |
| Answer» C. | |
| 919. |
8 is quardratic residue of 17. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 920. |
4 is quardratic residue of 7. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 921. |
5 is quardratic non-residue of 7. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 922. |
The Fermat’s little theorem for odd prime p and coprime number a is? |
| A. | ap-1 ≡ 1 (mod p) |
| B. | ap-1 ≡ 7 (mod p) |
| C. | ap(2)-1 ≡ 1 (mod p) |
| D. | none of the mentioned |
| Answer» B. ap-1 ≡ 7 (mod p) | |
| 923. |
If there exist no integer x such that x2 ≡ q (mod n). then q is called __________ |
| A. | Quadratic Residue |
| B. | Quadratic Nonresidue |
| C. | Pseudoprime |
| D. | None of the mentioned |
| Answer» C. Pseudoprime | |
| 924. |
If there exist an integer x such that x2 ≡ q (mod n). then q is called ______________ |
| A. | Quadratic Residue |
| B. | Linear Residue |
| C. | Pseudoprime |
| D. | None of the mentioned |
| Answer» B. Linear Residue | |
| 925. |
Where is the catchment area situated with respect to dam? |
| A. | Behind the dam |
| B. | Front of dam |
| C. | Right beneath the dam |
| D. | Opposite to the Dam Head |
| Answer» B. Front of dam | |
| 926. |
What is the unit of runoff ________ |
| A. | Day-sec meter |
| B. | M2/s |
| C. | MM/S2 |
| D. | Ns/m2 |
| Answer» B. M2/s | |
| 927. |
Amount of rainfall which runs off the earth’s land surface to form stream is used for ______ |
| A. | Flower generation |
| B. | Back water storage |
| C. | Pit Irrigation |
| D. | Left through canals |
| Answer» B. Back water storage | |
| 928. |
On what aspect is precipitation calculated? |
| A. | Based on hydrological aspect |
| B. | Based on climatic conditions |
| C. | Based on the vegetation of the area |
| D. | Based on weather forecast |
| Answer» B. Based on climatic conditions | |
| 929. |
Competition and commensalism can occur at the same time. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 930. |
Symbiosis and mutualism are same. |
| A. | True |
| B. | False |
| Answer» C. | |
| 931. |
For Protocooperation species the interaction is not necessary. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 932. |
Which of the following defines the given statement – “Two organisms of different species exist in a relationship in which each individual benefits from the activity of the other”? |
| A. | Neutralism |
| B. | Mutualism |
| C. | Commensalism |
| D. | Amensalism |
| Answer» C. Commensalism | |
| 933. |
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. | |
| 934. |
Which of the following defines the given statement – “An association between two organisms in which one benefits and the other derives neither benefit nor harm”? |
| A. | Neutralism |
| B. | Mutualism |
| C. | Commensalism |
| D. | Amensalism |
| Answer» D. Amensalism | |
| 935. |
USM machine uses _____ axis table. |
| A. | single |
| B. | 2 |
| C. | 3 |
| D. | 5 |
| Answer» C. 3 | |
| 936. |
USM has low material removal rate. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 937. |
Which of the following materials is not used as abrasive in ultrasonic machining? |
| A. | SiC |
| B. | Boronsilicarbide |
| C. | Diamond |
| D. | TiC |
| Answer» E. | |
| 938. |
What is the resolved shear stress, when dislocation density in metal is equal to 1012m-2? Given that shear stress needed in the absence of dislocation is 500MPa. Numerical constant is 0.3 and shear modulus is 80GPa, burger vector is 1 nm. |
| A. | 500MPa |
| B. | 550MPa |
| C. | 600 MPa |
| D. | 524 MPa |
| Answer» E. | |
| 939. |
Strain hardening due to ___________ process arises from short range force occurring over a distance of 5 to 10 atomic distance. This hardening can be overcome at finite temperatures with the help of thermal fluctuations, and therefore, it is temperature and strain-rate-dependent. |
| A. | dislocation cutting |
| B. | dislocation pile-up |
| C. | second phase particle |
| D. | alloying |
| Answer» B. dislocation pile-up | |
| 940. |
The formation of jogs in screw dislocations _________ its motion. Jogs in edge dislocations _________ its motion. |
| A. | restricts, do not restricts |
| B. | do not restricts, restricts |
| C. | restricts, restricts |
| D. | do not restrict, do not restrict |
| Answer» B. do not restricts, restricts | |
| 941. |
Cross slip can occur in both the edge dislocation as well as in screw dislocation. |
| A. | True |
| B. | False |
| Answer» C. | |
| 942. |
The interaction of dislocation does not result in ______________ |
| A. | jog |
| B. | kink |
| C. | dislocation threading |
| D. | slip |
| Answer» E. | |
| 943. |
Which of the following phenomena is responsible for the formation of sessile dislocation? |
| A. | Lomer-Cottrell barriers |
| B. | Frank read source |
| C. | Age hardening |
| D. | Dislocation jog and kink |
| Answer» B. Frank read source | |
| 944. |
The dislocation of low mobility that is produced by a dislocation reaction is called a ______ dislocation. |
| A. | sessile |
| B. | glissile |
| C. | screw |
| D. | edge |
| Answer» B. glissile | |
| 945. |
A zinc crystal is strained to point A, unloaded, and then reloaded in the direction opposite to the original slip direction:What is the reason for the drop in shear stress when loaded in the opposite direction? |
| A. | Back stress |
| B. | Strain hardening |
| C. | Increase in the number of slip system |
| D. | Slip plane reorientation |
| Answer» B. Strain hardening | |
| 946. |
Which of the following is not a source of dislocation multiplication? |
| A. | Condensation of the vacancy |
| B. | Frank read mechanism |
| C. | Emission from high angle grain boundary |
| D. | Annealing |
| Answer» E. | |
| 947. |
Inhomogeneous deformation of crystal results in regions of different orientation called deformation bands. Deformation bands have been observed in both fcc and bcc metals, but not in hcp metals. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 948. |
Among the given metal, which has the highest stacking fault energy? |
| A. | Aluminum |
| B. | Copper |
| C. | Brass |
| D. | Stainless steel |
| Answer» B. Copper | |
| 949. |
STRICT_ALL_TABLES turns on stricter checking of data values. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 950. |
Which mode prevents entry of the ‘zero’ date value in strict mode? |
| A. | SUPPRESS |
| B. | NO_ZERO_DATE |
| C. | PREVENT |
| D. | NO_ZERO_IN_DATE |
| Answer» C. PREVENT | |