Explore topic-wise MCQs in Chemical Engineering.

This section includes 5314 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.

2901.

WHAT_IS_THE_RANGE_OF_MELTING_OR_SOFTENING_TEMPERATURE_OF_HIGH_DENSITY_POLYETHYLENE??$

A. 125-135 ᵒC
B. 110-117 ᵒC
C. 90-110 ᵒC
D. 118-120 ᵒC
Answer» B. 110-117 ¬¨‚à묨¬µ‚àö‚â†C
2902.

COLD_ROLLED_COMPONENTS_HAVE_HIGHER_STRENGTHS_AND_HARDNESS_THAN_HOT_ROLLED_COMPONENTS.?$

A. True
B. False
Answer» B. False
2903.

WHICH_OF_THE_FOLLOWING_METAL_IS_USED_IN_WIRE_DRAWING_PROCESS_IN_DIE_MAKING??$

A. Copper
B. Iron
C. Tungsten
D. Magnesium
Answer» D. Magnesium
2904.

WHICH_OF_THE_FOLLOWING_DOES_CONFORMANCE_DEALS_WITH??$

A. Fidelity with which an implementation meets the standard
B. It is an action or behavior in correspondence with current customs
C. All of the mentioned
D. None of the mentioned
Answer» D. None of the mentioned
2905.

THE_LONGER_A_FAULT_EXISTS_IN_SOFTWARE?$

A. the more tedious its removal becomes
B. the more costly it is to detect and correct
C. the less likely it is to be properly corrected
D. All of the mentioned
Answer» E.
2906.

3CM?$

A. 3.45cm
B. 3.85cm
C. 4cm
Answer» B. 3.85cm
2907.

FOR_A_FUNCTION_GIVEN_BY_F_=_4X_I_+_7Y_J_+Z_K,_THE_DIVERGENCE_THEOREM_EVALUATES_TO_WHICH_OF_THE_VALUES_GIVEN,_IF_THE_SURFACE_CONSIDERED_IS_A_CONE_OF_RADIUS_1/2‚ÂÀ√¨‚ÀÖ√Ë_M_AND_HEIGHT_4‚ÂÀ√¨‚ÀÖ√Ë2_M.?$#

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
2908.

8255_IS_A______PIN_IC.?$

A. 16
B. 8
C. 40
D. 60
Answer» D. 60
2909.

WHICH_FORM_OF_SUN‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•S_ENERGY_IS_TRAPPED_BY_THE_PRODUCERS_IN_THE_ENERGY_FLOW??$#

A. Light energy
B. Chemical energy
C. Wind energy
D. Pressure energy
Answer» B. Chemical energy
2910.

WHAT_ARE_PACS??$

A. Low capacity phage vector
B. High capacity phage vector
C. Plasmid vector
D. Phagemid vector
Answer» C. Plasmid vector
2911.

DRAWING_OF_NUMBER_OF_COPIES_OF_THE_SAME_IMAGE_IN_ROWS_AND_COLUMNS_ACROSS_THE_INTERFACE_WINDOW_SO_THAT_THEY_COVER_THE_ENTIRE_WINDOW_IS_CALLED_____________?$

A. Roaming
B. Panning
C. Zooming
D. Tiling
Answer» E.
2912.

THE_ADIABATIC_SPLIT_OF_VAPOR_AND_LIQUID_PORTION_ARE_EXPRESSED_AS?$

A. V<sub>If</sub> and L<sub>iF</sub>
B. K<sub>If</sub> and L<sub>iF</sub>
C. V<sub>If</sub> and K<sub>iF</sub>
D. X<sub>If</sub> and Y<sub>iF</sub>
Answer» D. X<sub>If</sub> and Y<sub>iF</sub>
2913.

IS_THE_SIGNAL_SIN(T)_ANTI-SYMMETRIC??$

A. YES
B. NO
Answer» B. NO
2914.

THE_INSULATION_IN_ECM_SHOULD_HAVE_____?$

A. adhesion to the tool
B. roughness
C. high water absorption tendency
D. chemically active
Answer» B. roughness
2915.

DETERMINE_THE_COMPRESSIBILITY_OF_AN_INCOMPRESSIBLE_FLUID,_IF_THE_PRESSURE_OF_THE_FLUID_IS_CHANGED_FROM_70_N/M2_TO_130_N/M2._THE_VOLUME_OF_THE_LIQUID_CHANGES_BY_0.15_PERCENT.?$

A. 0.0025 m<sup>2</sup>/N
B. 0.0050 m<sup>2</sup>/N
C. 0.0070 m<sup>2</sup>/N
D. 0.0012 m<sup>2</sup>/N
Answer» B. 0.0050 m<sup>2</sup>/N
2916.

WHAT_KIND_OF_RELATION_CAN_BE_OBTAINED_BETWEEN_FIRST_ORDER_DERIVATIVE_AND_SECOND_ORDER_DERIVATIVE_OF_AN_IMAGE_ON_THE_RESPONSE_OBTAINED_BY_ENCOUNTERING_AN_ISOLATED_NOISE_POINT_IN_THE_IMAGE??$

A. First order derivative has a stronger response than a second order
B. Second order derivative has a stronger response than a first order
C. Both enhances the same and so the response is same for both first and second order derivative
D. None of the mentioned
Answer» C. Both enhances the same and so the response is same for both first and second order derivative
2917.

WHICH_OF_THE_FOLLOWING_IS_INCORRECT_WITH_RESPECT_TO_THE_PROXY_PATTERN??$

A. The Proxy pattern should be used whenever the services directly provided by some object need to be managed or mediated in some way without changing the object’s interface
B. Virtual proxies can be used to delay the creation or loading of large and time-consuming objects to preserve space and ensure rapid responses to requests
C. Remote proxies can hide the fact that an object is not locally present,handling the communication necessary to access the remote real object
D. None of the mentioned
Answer» E.
2918.

WHICH_OF_THESE_MOVES_FROM_THE_GRASS_ROOT_LEVEL??$

A. Downward communication
B. Diagonal communication
C. Upward communication
D. Lateral communication
Answer» D. Lateral communication
2919.

WHICH_SHAFT_IS_USED_IN_VALVE_SHAFTINGS??$

A. Shaft ‘s’
B. Shaft ‘f’
C. Shaft ‘b’
D. Shaft ‘t’
Answer» B. Shaft ‚Äö√Ñ√∂‚àö√ë‚àö‚â§f‚Äö√Ñ√∂‚àö√ë‚àö¬•
2920.

THE____________METHOD_LIMITS_THE_NUMBER_OF_DOCUMENTS_IN_THE_RESULT_SET.?$

A. limit()
B. limitOf()
C. limitBy()
D. none of the mentioned
Answer» B. limitOf()
2921.

IF_THE_MOLECULES_TO_BE_SEPARATED_ARE_LARGER_THAN_THE_SIZE_FOR_CONVENTIONAL_ELECTROPHORESIS,_WHICH_TYPE_OF_GELS_CAN_BE_USED??$

A. Wedge gels
B. Buffer-gradient gels
C. Pulse field gels
D. Varying the amount of agarose, will carry out the separation
Answer» D. Varying the amount of agarose, will carry out the separation
2922.

WHICH_COMMAND_IS_USED_FOR_UNZIPPING_FILES_WHICH_ARE_COMPRESSED_USING_ZIP_COMMAND??$

A. gunzip
B. gzip
C. unzip
D. guzip
Answer» D. guzip
2923.

IF_THE_WHOLE_LIQUID_AND_GAS_FLOW_RATES_ARE_SAME,_WE_CAN_USE_THE_MOLE_FRACTION_FOR_GETTING_A_STRAIGHT_OPERATING_LINE?$

A. True
B. False
Answer» B. False
2924.

WHAT_IS_THE_RAW_CHANNEL_BIT_ERROR_RATE_OF_BLUETOOTH??$

A. 10-3
B. 10-10
C. 103
D. 10-1
Answer» B. 10-10
2925.

MANY_OF_THE_STRENGTH_IMPROVEMENTS_AND_YIELDS_OBSERVED_WITH_THESE_METHODS_DO_NOT_CONSIDER_THE_EFFECT_OF_FUNGAL_HYPHAE._WHAT_PROCESS_ARE_WE_TALKING_ABOUT??$

A. Novel pulping methods
B. Organosolv
C. Sivola
D. Biological
Answer» E.
2926.

WHICH_OF_THE_FOLLOWING_IS_UNTRUE??$

A. Gut flora produces Vitamin K and Biotin in the intestine
B. Vitamin D is synthesized in the skin
C. Humans can produce some vitamins from precursors that they consume
D. None of the mentioned
Answer» E.
2927.

WHAT_IS_THE_ADVANTAGE_OF_OWENS_BRIDGE_OVER_OTHER_AC_BRIDGES??$

A. High quality factor
B. Can measure inductance over wide range
C. Both high Q factor and wide range operation
D. None of the above
Answer» D. None of the above
2928.

GRAIN_DISTRIBUTION_IS_NOT_DETERMINED_BY_GRAIN_FINENESS_TEST.?$

A. True
B. False
Answer» C.
2929.

WHO_CONTROLS_THE_FAST_(FACILITATED_APPLICATION_SPECIFICATION_TECHNIQUES)_MEETING_??$

A. System Analyst
B. Scribe
C. Facilitator
D. Manager
Answer» D. Manager
2930.

KAPLAN_TURBINE_IS_OPERATED_UNDER___________?$

A. Low head and high discharge
B. High head and low discharge
C. Medium head and high discharge
D. Medium head and medium discharge
Answer» B. High head and low discharge
2931.

IN_THE_HOPKINSON‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•S_TEST_ON_TWO_DC_MACHINES._MACHINE_A_HAS_FIELD_CURRENT_OF_1.4A_AND_B_HAS_FIELD_CURRENT_OF_1.3A._WHICH_MACHINE_ACTS_AS_GENERATOR??$#

A. B
B. A
C. A,B
D. None of the mentioned
Answer» C. A,B
2932.

FOR_SIGNAL,_M(T)_=_50COS(10_‚ÄÖ√†√∂‚Àւ•_90T_+_30_SIN100T),_THE_POWER_DISSIPATED_BY_THE_20‚ÂÀ√≠¬¨¬©_RESISTOR_IS_________?$#

A. 100W
B. 65W
C. 74.7W
D. 62.5W
Answer» E.
2933.

FOR_REMOVAL_OF_MANGANESE_FROM_WATER,__________MG_OF_OXYGEN_IS_REQUIRED.?$

A. 0.14
B. 0.50
C. 0.29
D. 0.90
Answer» D. 0.90
2934.

A_FORCE_VECTOR_IS_ALONG_4I_‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬®_4K_DIRECTION_AND_HAS_A_MAGNITUDE_100N_AND_ANOTHER_FORCE_VECTOR_IS_ALONG_4I_+2J_-4K_AND_HAS_A_MAGNITUDE_OF_120N._WHAT_IS_THE_RESULTANT_OF_BOTH_FORCES??$#

A. 80i + 40j – 80k N
B. 80i – 40j – 80k N
C. 151i + 40j – 80k N
D. 151i+ 40j – 151k N
Answer» B. 80i ‚Äö√Ñ√∂‚àö√ë‚àö¬® 40j ‚Äö√Ñ√∂‚àö√ë‚àö¬® 80k N
2935.

WHAT_DOES_‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ‚À´R‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖŒÄ_IN_YRP_VECTOR_STAND_FOR??$#

A. Recombination
B. Replicative
C. Replication
D. Reverse combining
Answer» C. Replication
2936.

CELL_SPLITTING_DO_NOT_MAINTAIN_THE_MINIMUM_C-CHANNEL_REUSE_RATIO._STATE_WHETHER_TRUE_OR_FALSE.?$

A. True
B. False
Answer» C.
2937.

HOW_IS_TDS_AND_CONDUCTIVITY_RELATED??$

A. TDS = 0.5 conductivity
B. Conductivity= 0.5 TDS
C. TDS=3 Conductivity
D. TDS=Conductivity
Answer» B. Conductivity= 0.5 TDS
2938.

CHOOSE_THE_INCORRECT_STATEMENT_WITH_RESPECT_TO_THE_USE_OF_FD_IN_HALF-WAVE_CIRCUITS.?$

A. Input pf is improved
B. Load current waveform is improved
C. It prevents the load voltage from becoming negative
D. Reduces the reverse voltage (PIV) faced by the SCR
Answer» C. It prevents the load voltage from becoming negative
2939.

THE_SURFACE_THICKNESS_OF_THE_PAVEMENT_IS_DECIDED_BASED_ON?$

A. HFL
B. MFL
C. MSL
D. HFL and MSL
Answer» B. MFL
2940.

IF_TOTAL_AMPERE_TURNS_PER_POLE_IS_EQUAL_TO_6000_A-TURNS,_PEAK_AMPERE_TURNS_FOR_A_4-POLE_MACHINE_IS______?$

A. 24000
B. 3000
C. 1500
D. 4500
Answer» D. 4500
2941.

WHAT_IS_AMOUNT_OF_MINIMUM_AIR_REQUIRED_PER_KG_OF_LIQUID_FUEL_FOR_COMPLETE_COMBUSTION_USING_CARBON,_OXYGEN,_HYDROGEN_AND_SULFUR??$

A. 1/23 [8/3 C + 8(H- (O/8)) + S]         
B. 1/100 [8/3 C + 8(H- (O/8)) + S]         
C. 1/100 [8/3 C + 8(H – (0/8))]         
D. 1/23 [8/3 C + 8(H – (0/8))]         
Answer» B. 1/100 [8/3 C + 8(H- (O/8)) + S]¬¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тĆ
2942.

STRENGTH_OF_BOLT_IS?$

A. minimum of shear strength and bearing capacity of bolt
B. maximum of shear strength and bearing capacity of bolt
C. shear strength of bolt
D. bearing capacity of bolt
Answer» B. maximum of shear strength and bearing capacity of bolt
2943.

‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ‚À´PROCESS_PERFORMANCE_IS_NOT_PREDICTABLE_UNLESS_THE_PROCESS_BEHAVIOR_IS_STABLE‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖŒÄ?$#

A. True
B. False
Answer» B. False
2944.

THE_SURFACE_OF_THE_CONTROL_VOLUME_IS_KNOWN_AS_THE_CONTROL_SURFACE.?$

A. true
B. false
Answer» B. false
2945.

WHAT_IS_THE_CONDITION_FOR_MINIMUM_LOSS_CONDITION??$

A. current density in primary < current density in secondary
B. current density in primary > current density in secondary
C. current density in primary = current density in secondary
D. current density in primary >= current density in secondary
Answer» D. current density in primary >= current density in secondary
2946.

THE_OUTPUT_OF_A_DAC0808_IS_IN_THE_FORM_OF_____________?$

A. electrical pulse
B. current
C. voltage
D. all of the mentioned
Answer» C. voltage
2947.

FLAME_IONISATION_DETECTOR_IS_ALSO_KNOWN_AS_KATHAROMETER.?$

A. True
B. False
Answer» C.
2948.

SOME_OF_THE_UTILITIES_OF_DBMS_ARE______________?$

A. Loading ii) Backup iii) File organization iv) Process Organization
B. i, ii, and iv only
C. i, ii and iii only
D. ii, iii and iv only
Answer» C. i, ii and iii only
2949.

‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ‚À´SHRINKAGE_IN_CONCRETE_IS_CAUSED_MAINLY_BY_LOSS_OF_WATER_BY_EVAPORATION_OR_BY_HYDRATION_OF_CEMENT‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖŒÄ._IS_THIS_STATEMENT_TRUE_OR_FALSE??$#

A. True
B. False
Answer» B. False
2950.

TO_NOTIFY_ITS_COMPLETION_OF_SESSION_PROCESSING.?$

A. Errors
B. BindingResult
C. SessionStatus
D. None of the mentioned
Answer» D. None of the mentioned