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.
| 51. |
Which of the following statements is FALSE about high pressure boilers? |
| A. | Modern high pressure boilers used for power generation have steam capacities even greater than 650 tonnes/hr |
| B. | Water is circulated through a pump in most of the modern high pressure boilers |
| C. | They are mostly water tube boilers |
| D. | One continuous tube is used for water circulation |
| Answer» E. | |
| 52. |
Shell boilers are preferred for high pressure and high output. |
| A. | True |
| B. | False |
| Answer» C. | |
| 53. |
If a query is optimized without providing specific values for its parameters the technique is called __________ |
| A. | Complex query handling |
| B. | Multi query optimization |
| C. | Complex query optimization |
| D. | Parametric query optimization |
| Answer» E. | |
| 54. |
Which of the following is a multi-query optimization technique |
| A. | Shared scan optimization |
| B. | Parametric query optimization |
| C. | Index optimization |
| D. | All of the mentioned |
| Answer» B. Parametric query optimization | |
| 55. |
Reducing the complexity of complex queries by similarly handling sub-queries is known as ______ |
| A. | Complex query handling |
| B. | Multi query optimization |
| C. | Complex query optimization |
| D. | Parametric query optimization |
| Answer» C. Complex query optimization | |
| 56. |
A view whose contents are computed and stored is called as _______ |
| A. | Storage view |
| B. | Backup view |
| C. | Materialized view |
| D. | Advanced view |
| Answer» D. Advanced view | |
| 57. |
In balancing of single-cylinder engine, the rotating unbalance is ____________ |
| A. | completely made zero and so also the reciprocating unbalance |
| B. | completely made zero and the reciprocating unbalance is partially reduced |
| C. | partially reduced and the reciprocating unbalance is completely made zero |
| D. | partially reduced and so also the reciprocating unbalance |
| Answer» C. partially reduced and the reciprocating unbalance is completely made zero | |
| 58. |
From the given data, calculate the unbalanced centrifugal force in N s2Distance from shaft = 0.2 mMass = 100 kgRotating speed = 1000 rpm. |
| A. | 20 |
| B. | 2×107 |
| C. | 200 |
| D. | 20000 |
| Answer» B. 2×107 | |
| 59. |
Let the centrifugal force in kN be 25 and the radius of rotation be 20 cm and the rotation speed be 50 rad/s, then calculate the mass defect in Kg. |
| A. | 50 |
| B. | 25 |
| C. | 50000 |
| D. | 25000 |
| Answer» B. 25 | |
| 60. |
Let the disturbing mass be 200 kg and the radius of rotation be 20 cm and the rotation speed be 50 rad/s, then calculate the centripetal force in kN. |
| A. | -50 |
| B. | -25 |
| C. | -100 |
| D. | -2500 |
| Answer» D. -2500 | |
| 61. |
Let the disturbing mass be 100 kg and the radius of rotation be 10 cm and the rotation speed be 50 rad/s, then calculate the centrifugal force in kN. |
| A. | 50 |
| B. | 25 |
| C. | 50000 |
| D. | 25000 |
| Answer» C. 50000 | |
| 62. |
The mass used to balance the mass defect is known as ______ |
| A. | Balancing mass |
| B. | Defect mass |
| C. | Replacement mass |
| D. | Fixing mass |
| Answer» B. Defect mass | |
| 63. |
Centrifugal force acts radially inwards and bends the shaft. |
| A. | True |
| B. | False |
| Answer» C. | |
| 64. |
Let the disturbing mass be 100 kg and the radius of rotation be 20 cm and the rotation speed be 50 rad/s, then calculate the centrifugal force in kN. |
| A. | 50 |
| B. | 25 |
| C. | 50000 |
| D. | 25000 |
| Answer» B. 25 | |
| 65. |
For ductile materials, the factor of safety is the ratio of yield stress to ___________ |
| A. | tenacity |
| B. | ultimate stress |
| C. | working stress |
| D. | shear stress |
| Answer» D. shear stress | |
| 66. |
For engineering materials, the poison’s ratio lies in the range of ___________ |
| A. | 0 and 1 |
| B. | -1 and 1 |
| C. | -2 and 2 |
| D. | 0 and 1/2 |
| Answer» E. | |
| 67. |
A material which ruptures with little or no plastic deformation is said to be ____________ |
| A. | Ductile material |
| B. | Elastic material |
| C. | Plastic material |
| D. | Brittle material |
| Answer» E. | |
| 68. |
The ultimate strength in flexure is known as modulus of ________ |
| A. | Toughness |
| B. | Rupture |
| C. | Resilience |
| D. | Hardening |
| Answer» C. Resilience | |
| 69. |
Which of the following is also known as endurance limit? |
| A. | Proportionality limit |
| B. | Rupture limit |
| C. | Elastic limit |
| D. | Fatigue limit |
| Answer» E. | |
| 70. |
The hooks law is valid only for _________ |
| A. | Uni axial forces |
| B. | Bi axial forces |
| C. | Tri axial forces |
| D. | Lateral forces |
| Answer» B. Bi axial forces | |
| 71. |
Which of the following is also known as pulling force? |
| A. | Tensile stress |
| B. | Shear stress |
| C. | Lateral stress |
| D. | Axial stress |
| Answer» B. Shear stress | |
| 72. |
A fine grained material is mostly ________ |
| A. | Homogeneous |
| B. | Isotropic |
| C. | Isomeric |
| D. | Elastic |
| Answer» C. Isomeric | |
| 73. |
Calculate the Euler’s crippling load, if the effective length of column is 10 m take flexural rigidity as 6.14 × 1010 Nmm2. |
| A. | 6 kN |
| B. | 8 kN |
| C. | 10 kN |
| D. | 12 kN |
| Answer» B. 8 kN | |
| 74. |
The absence of _____ and _____ is not an accident, because they would catalyze oxidation, their producing metallic or oxidized flavors. |
| A. | Lead-casein |
| B. | Boron-tin |
| C. | Iron-copper |
| D. | Zinc-brass |
| Answer» D. Zinc-brass | |
| 75. |
A pooling method, whereby, handlers with higher than average utilization pay into and handlers with lower than average utilization receives payment from is called _______ |
| A. | Base excess pricing |
| B. | Louisville takes out and pay back |
| C. | Individual handler pools |
| D. | Producer settlement fund |
| Answer» E. | |
| 76. |
The enzyme _______ is almost completely inactivated during pasteurization. |
| A. | Lactose |
| B. | Acid glycerol |
| C. | Alkaline phosphatase |
| D. | Free fatty acids |
| Answer» D. Free fatty acids | |
| 77. |
A high acid flavor (sour) in milk is caused by ________ |
| A. | Growth of bacteria in the milk |
| B. | Exposure of cows to acid rain |
| C. | Drinking hard water |
| D. | Absorption of acid from corn silage |
| Answer» B. Exposure of cows to acid rain | |
| 78. |
________ is exposure of hot milk or milk product to reduced pressure to affect the removal of volatile substances, especially those that enter milk from feed). |
| A. | Vaporization |
| B. | Infusion heater |
| C. | Vacuumization |
| D. | .a) Vaporizationb) Infusion heaterc) Vacuumizationd) Vac Pac process |
| Answer» D. .a) Vaporizationb) Infusion heaterc) Vacuumizationd) Vac Pac process | |
| 79. |
The major reason milk from cows treated with antibiotics must be withheld from the milk supply is because of _______ |
| A. | A large proportion of the human population is sensitive to antibiotics |
| B. | Antibiotics increase the somatic cell count of milk |
| C. | Antibiotics cause an off-flavor in milk |
| D. | Antibiotics kill some of the good bacteria found in milk |
| Answer» B. Antibiotics increase the somatic cell count of milk | |
| 80. |
The microbiological standard for Grade A raw from a single procedure is _________ bacteria per millimeter of milk prior to co-mingling with milk from other producers. |
| A. | 200,000 |
| B. | 150,000 |
| C. | 100,000 |
| D. | 50,000 |
| Answer» D. 50,000 | |
| 81. |
The most prevalent off the flavor of fluid milk is ______ |
| A. | Malty |
| B. | Oxidized |
| C. | Flat |
| D. | Feed |
| Answer» E. | |
| 82. |
The fat in one serving of whole milk (8 ounces) provides _______ calories. |
| A. | 85 |
| B. | 90 |
| C. | 95 |
| D. | 100 |
| Answer» C. 95 | |
| 83. |
It is possible to reduce harmonic currents completely. |
| A. | True |
| B. | False |
| Answer» C. | |
| 84. |
Which of the following is not the method of reducing harmonics? |
| A. | Adding filters |
| B. | Adding capacitors |
| C. | Adding inductors |
| D. | Adding resistance |
| Answer» E. | |
| 85. |
The transformer switching transient is referred as _____________ |
| A. | Inrush current |
| B. | Outrush current |
| C. | Middlerush current |
| D. | Harmonic current |
| Answer» B. Outrush current | |
| 86. |
Flux transient goes till the maximum value due to ___________ |
| A. | Doubling effect |
| B. | Saturation effect |
| C. | Hysteresis effect |
| D. | Modulation effect |
| Answer» B. Saturation effect | |
| 87. |
No-load current in the transformer is _______ |
| A. | Straight DC |
| B. | Steps |
| C. | Sinusoidal |
| D. | Sinusoidal distorted |
| Answer» E. | |
| 88. |
DBD packets are involved during which two states? |
| A. | Exstart and exchange |
| B. | Loading and Two-way |
| C. | Init and Full |
| D. | Down and Loading |
| Answer» B. Loading and Two-way | |
| 89. |
The Hello protocol sends periodic updates to ensure that a neighbor relationship is maintained between adjacent routers. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 90. |
Which packet is NOT an OSPF packet type? |
| A. | LSU |
| B. | LSR |
| C. | DBD |
| D. | Query |
| Answer» E. | |
| 91. |
What is the IP protocol number for OSPF packets? |
| A. | 89 |
| B. | 86 |
| C. | 20 |
| D. | 76 |
| Answer» B. 86 | |
| 92. |
The outcome of Dijkstra’s calculation is used to populate the __________ |
| A. | Topology table |
| B. | Routing table |
| C. | Neighbor table |
| D. | Adjacency table |
| Answer» C. Neighbor table | |
| 93. |
Each LSA has its own age timer. By default, how long does an LSA wait before requiring an update? |
| A. | 30 seconds |
| B. | 1 minute |
| C. | 30 minutes |
| D. | 1 hour |
| Answer» D. 1 hour | |
| 94. |
An OSPF router receives an LSA. The router checks its sequence number and finds that this number is lower than the sequence number it already has. What does the router do with the LSA? |
| A. | ignores the LSA |
| B. | adds it to the database |
| C. | sends newer LSU update to source router |
| D. | floods the LSA to the other routers |
| Answer» D. floods the LSA to the other routers | |
| 95. |
An OSPF router receives an LSA. The router checks its sequence number and finds that this number is higher than the sequence number it already has. Which two tasks does the router perform with the LSA? |
| A. | Ignores the LSA |
| B. | Adds it to the database |
| C. | Sends newer LSU update to source router |
| D. | Floods the LSA to the other routers |
| Answer» C. Sends newer LSU update to source router | |
| 96. |
An OSPF router receives an LSA, the router checks its sequence number, and this number matches the sequence number of the LSA that the receiving router already has. What does the receiving router do with the LSA? |
| A. | Ignores the LSA |
| B. | Adds it to the database |
| C. | Sends newer LSU update to source router |
| D. | Floods the LSA to the other routers |
| Answer» B. Adds it to the database | |
| 97. |
For an impellor, Shearing action is very good at high speed. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 98. |
The tank diameter to liquid ratio usually is ____ |
| A. | 1:1 |
| B. | 1:2 |
| C. | 2:3 |
| D. | 3:4 |
| Answer» B. 1:2 | |
| 99. |
What does the following represents? |
| A. | Fourier’s law |
| B. | Kick’s law |
| C. | Newton’s law |
| D. | Radiation law |
| Answer» C. Newton’s law | |
| 100. |
Calico cats are always______________ |
| A. | Male |
| B. | Female |
| C. | Klinefelter |
| D. | Turner |
| Answer» C. Klinefelter | |