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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.
| 951. |
Which mode is a shorthand for ‘both strict modes plus a bunch of other restrictions’? |
| A. | STRICT_ALL_TABLES |
| B. | STRICT_TRANS_TABLES |
| C. | TRADITIONAL |
| D. | ERROR_WHEN_DIVIDE_BY_ZERO |
| Answer» D. ERROR_WHEN_DIVIDE_BY_ZERO | |
| 952. |
For which type are illegal values converted to the appropriate ‘zero’ value? |
| A. | Numeric |
| B. | String |
| C. | ENUM |
| D. | TIME |
| Answer» E. | |
| 953. |
By default, MySQL clips out of range numeric values to the nearest fit value. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 954. |
Which keyword must be used to get a more granular insight into the memory usage? |
| A. | verb |
| B. | verbose |
| C. | granule |
| D. | gran |
| Answer» C. granule | |
| 955. |
Which of the following gives the high level breakdown of memory usage? |
| A. | about:memory |
| B. | memory |
| C. | about-memory |
| D. | about::memory |
| Answer» B. memory | |
| 956. |
Which of the following property indicate the total size of the heap? |
| A. | heapSize |
| B. | totalHeapSize |
| C. | totalJsHeapSize |
| D. | totalHeap |
| Answer» D. totalHeap | |
| 957. |
What does the usedJsHeapSize property indicate? |
| A. | Amount of memory used |
| B. | Amount of memory unused |
| C. | Amount of memory used & unused |
| D. | Amount of memory required |
| Answer» B. Amount of memory unused | |
| 958. |
What is the purpose of garbage collection? |
| A. | Removes object with many reference |
| B. | Removes object with reference |
| C. | Removes object with invalid reference |
| D. | Removes object with no reference |
| Answer» E. | |
| 959. |
What is the function of the memory object? |
| A. | Gets unused memory details |
| B. | Shows optimization |
| C. | Gets memory usage |
| D. | Memory optimization |
| Answer» D. Memory optimization | |
| 960. |
How many properties are available in a memory object? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 961. |
Determine the vertical force acting in the given figure. |
| A. | 236N |
| B. | 600n |
| C. | 403N |
| D. | 830N |
| Answer» B. 600n | |
| 962. |
Determine the horizontal force acting in the given figure. |
| A. | 80cos30 |
| B. | 60cos30 |
| C. | 40cos30 |
| D. | 8cos30 |
| Answer» B. 60cos30 | |
| 963. |
The normal forces and the forces of friction are collinear. |
| A. | True |
| B. | False |
| Answer» C. | |
| 964. |
The three force system can also be in the equilibrium if: |
| A. | All the forces are parallel to each other heading towards the same direction |
| B. | The force components cancel each other |
| C. | The forces are very small in magnitude |
| D. | The forces are very huge in magnitude |
| Answer» C. The forces are very small in magnitude | |
| 965. |
There is the application of the Newton’s third law of motion in the free body diagrams of the friction calculations. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 966. |
There are main two types of forces which are being stated in the free body diagram, they are generally the resultant forces which are being acted over the body. Which are they? |
| A. | Normal and Frictional |
| B. | Normal and Vertical |
| C. | Vertical and Frictional |
| D. | Normal and Fractional |
| Answer» B. Normal and Vertical | |
| 967. |
Which one is not the condition for the equilibrium in free body diagram for calculation of the normal forces, consider all forces to be straight and linear? |
| A. | ∑Fx=0 |
| B. | ∑Fy=0 |
| C. | ∑Fz=0 |
| D. | ∑F≠0 |
| Answer» E. | |
| 968. |
For making the equilibrium equations the normal forces acts in which direction in the free body diagrams? |
| A. | Vertically Upward |
| B. | Vertically Downward |
| C. | Horizontally Right |
| D. | Horizontally Left |
| Answer» B. Vertically Downward | |
| 969. |
By dividing volumetric thermal resistance by required thermal resistance we will obtain ___________ |
| A. | Power dissipation of heat sink |
| B. | Volume of heat sink |
| C. | Maximum temperature of heat sink |
| D. | Volume of surrounding air |
| Answer» C. Maximum temperature of heat sink | |
| 970. |
Cavities embedded in heat source is also known as ___________ |
| A. | Low sink |
| B. | Sink hole |
| C. | On-sink |
| D. | Inverted sink |
| Answer» E. | |
| 971. |
De-rating factor is usually expressed in ___________ |
| A. | W/°C |
| B. | °C/W |
| C. | W/s |
| D. | kW/K |
| Answer» B. °C/W | |
| 972. |
Which of the following heat sink is used for low power application? |
| A. | Stamped heat sink |
| B. | Machining heat sink |
| C. | Aluminum heat sink |
| D. | Bolded-Fin heat sink |
| Answer» B. Machining heat sink | |
| 973. |
How many sets of cleavage is shown by calcite minerals usually? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 974. |
Which lustre cannot occur to the calcite? |
| A. | Adamantine |
| B. | Waxy |
| C. | Vitreous |
| D. | Silky |
| Answer» B. Waxy | |
| 975. |
Which carbonate mineral has this chemical composition- CaCO3 Mg(CO3)2? |
| A. | Magnesite |
| B. | Calcite |
| C. | Dolomite |
| D. | Jasper |
| Answer» D. Jasper | |
| 976. |
The carbonate minerals have high hardness. |
| A. | True |
| B. | False |
| Answer» C. | |
| 977. |
Carbonate minerals are found usually in ___________ |
| A. | Igneous rocks |
| B. | Sedimentary rocks |
| C. | Sedimentary and metamorphic rocks |
| D. | Metamorphic and igneous rocks |
| Answer» D. Metamorphic and igneous rocks | |
| 978. |
Which of the following is the ideal vacuum for electron spectrometers? |
| A. | 10-6 torr |
| B. | 10-7 torr |
| C. | 10-8 torr |
| D. | 10-9 torr |
| Answer» B. 10-7 torr | |
| 979. |
The output of the multiplier is fed to which of the following immediately? |
| A. | Pulse amplifier discriminator |
| B. | DAC |
| C. | ADC |
| D. | Multichannel analyser |
| Answer» B. DAC | |
| 980. |
Electron detector has a _______ doped glass tube with a secondary semiconducting coating. |
| A. | Quartz |
| B. | Silica |
| C. | Lead |
| D. | Cesium |
| Answer» D. Cesium | |
| 981. |
Which of the following is the most commonly used detector in ESCA and AES? |
| A. | Electron multiplier |
| B. | Dynodes |
| C. | Photovoltaic cell |
| D. | Photomultiplier |
| Answer» B. Dynodes | |
| 982. |
In spherical sector analyser, __________ is detected and plotted as a function of energy. |
| A. | Mass |
| B. | Charge |
| C. | Number of electrons striking the detector |
| D. | Mass to charge ratio |
| Answer» D. Mass to charge ratio | |
| 983. |
A basic X-ray source includes which of the following components? |
| A. | Large target anode |
| B. | Large target cathode |
| C. | Small target anode |
| D. | Small target cathode |
| Answer» B. Large target cathode | |
| 984. |
How many times will the function recursive_get_min() be called when the following code is executed? |
| A. | 4 |
| B. | 5 |
| C. | 6 |
| D. | 7View Answer |
| Answer» C. 6 | |
| 985. |
What is the time complexity of the recursive implementation used to find the largest and smallest element in a linked list? |
| A. | O(1) |
| B. | O(n) |
| C. | O(n2) |
| D. | O(n3)View Answer |
| Answer» C. O(n2) | |
| 986. |
Consider the following recursive implementation to find the largest element in a linked list: Which of the following arguments should be passed to the function max_of two() to complete the above code? |
| A. | temp->val,recursive_get_max(temp->next) |
| B. | temp, temp->next |
| C. | temp->val, temp->next->val |
| D. | temp->next->val, tempView Answer |
| Answer» B. temp, temp->next | |
| 987. |
What is the time complexity of the following iterative code used to find the smallest and largest element in a linked list? |
| A. | O(1) |
| B. | O(n) |
| C. | O(n2) |
| D. | O(n3)View Answer |
| Answer» C. O(n2) | |
| 988. |
What is the output of the following code: |
| A. | 5 |
| B. | 1 |
| C. | runtime error |
| D. | garbage valueView Answer |
| Answer» D. garbage valueView Answer | |
| 989. |
Consider the following code snippet to find the smallest element in a linked list: Which of the following lines should be inserted to complete the above code? |
| A. | temp > min_num |
| B. | val > min_min |
| C. | temp->val < min_num |
| D. | temp->val > min_numView Answer |
| Answer» D. temp->val > min_numView Answer | |
| 990. |
Consider the following code snippet to find the largest element in a linked list: Which of the following lines should be inserted to complete the above code? |
| A. | temp->next != 0 |
| B. | temp != 0 |
| C. | head->next != 0 |
| D. | head != 0View Answer |
| Answer» C. head->next != 0 | |
| 991. |
Distance and elevation formulae for fixed hair method assuming the line of sight as horizontal and considering an external focusing type telescope is D = Ks + C. where C is _______ |
| A. | f/i |
| B. | i/f |
| C. | f + c |
| D. | f – c |
| Answer» D. f – c | |
| 992. |
The following notes refer to a traverse run by a tacheometer fitted with an anallactic lens, with constant 100 and staff held vertical. Line, Bearing, Vertical Angle, Staff Intercept -PQ, 30o 24′, + 5o 06′,1.875; QR, 300o 48′, + 3o 48′,1.445; RS, 226o 12′, − 2o 36′, 1.725 respectively. Find the length and bearing of SP. |
| A. | 191.930 m, 126o 47 ′47′′ |
| B. | 190.930 m, 125o 47 ′47′′ |
| C. | 193.930 m, 124o 47 ′47′′ |
| D. | 192.930 m, 120o 47 ′47′′ |
| Answer» B. 190.930 m, 125o 47 ′47′′ | |
| 993. |
The vertical angles to vanes fixed at 1 m and 3 m above the foot of the staff held vertically at a station P were – 1o 45′ and + 2o 30′, respectively. Find the horizontal distance and the reduced RL of P if the RL of the instrument axis is 110.00 m? |
| A. | 26.95 m, 100.177 |
| B. | 20.95 m, 108.177 |
| C. | 26.95 m, 108.177 |
| D. | 26.95 m, 108.000 |
| Answer» D. 26.95 m, 108.000 | |
| 994. |
The horizontal angle subtended at the theodolite station by a subtense bar with vanes 3 m apart is 0o 10 ′40′′. Calculate the horizontal distance between the theodolite and the subtense bar? |
| A. | 960.00 m |
| B. | 966.87 m |
| C. | 966.78 m |
| D. | 906.87 m |
| Answer» C. 966.78 m | |
| 995. |
Following observations were taken with a tacheometer fitted with an anallactic lens having value of constant as 100. Calculate the horizontal distance between P and Q. |
| A. | 149.96 m |
| B. | 140.26 m |
| C. | 141.92 m |
| D. | 143.56 mView Answer |
| Answer» B. 140.26 m | |
| 996. |
A tacheometer is setup at an intermediate point on a traverse course PQ and the following observations are made on a staff held vertical. Staff Station Vertical Angle Staff Intercept Axial Hair Readings P + 9o30′ 2.250 2.105 Q + 6o00′ 2.055 1.975 The constants are 100 and 0. Compute the length PQ and the reduced level of Q. RL of P = 350.50 m. |
| A. | 428.13 m; 335.47 m |
| B. | 402.13 m; 335.47 m |
| C. | 422.13 m; 305.47 m |
| D. | 422.13 m; 335.47 m |
| Answer» E. | |
| 997. |
Stadia readings were taken with a theodolite on a vertical staff with the telescope inclined at an angle of depression of 3o30′. The staff readings were 2.990, 2.055 and 1.120. The reduced level of the staff station is 100.000m, and the height of the instrument is 1.40 m. What is the reduced level of the ground at the instrument? Take constants as 100 and zero. |
| A. | 102.050 m |
| B. | 122.050 m |
| C. | 112.050 m |
| D. | 132.050 m |
| Answer» D. 132.050 m | |
| 998. |
The two targets are at a distance s apart, and each at s/2 from the centre, i.e. vertical axis. The horizontal angle α is measured carefully by means of a theodolite. Then what is the value of D in the subtense bar method? |
| A. | s/2α |
| B. | s/α |
| C. | s/4α |
| D. | 2s/α |
| Answer» C. s/4α | |
| 999. |
In the subtense bar method, the horizontal angle subtended by two targets fixed on a horizontal bar at a known distance apart is measured at instrument station by theodolite. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 1000. |
The maximum stress in summer by pavement is experienced at __________ |
| A. | Morning |
| B. | Mid noon |
| C. | Evening |
| D. | Night |
| Answer» C. Evening | |