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.

3151.

revoke_select_on_takes_from_amit;$

A.
B. It revokes all authorizations from amit
C. It revokes select authorization from amit
Answer» C. It revokes select authorization from amit
3152.

Accurate_prediction_depends_heavily_on_measuring_right_variables.$

A. True
B. False
Answer» B. False
3153.

Which_one_of_these_is_not_a_part_of_the_3_criteria_for_FMEA?$

A. Likelihood of a process going wrong
B. Ability of detecting a failure
C. Cause for a failure
D. The severity of a failure
Answer» D. The severity of a failure
3154.

Let_P,_Q,_R_be_true,_false,_false,_respectively,_which_of_the_following_is_true$

A. P‚àß(Q‚àß~R)
B. (P->Q)‚àß~R
C. Q<->(P‚àßR)
D. P<->(QvR)
Answer» D. P<->(QvR)
3155.

Determine_the_current_flowing_in_the_ammeter_having_1Ω_internal_resistance_in_series_with_the_3Ω_resistor_shown_in_the_circuit_shown_in_the_question_9.$#

A. 0.6
B. 0.7
C. 0.8
D. 0.9
Answer» B. 0.7
3156.

Which_is_the_operation_for_mode_2?$

A. 13-bit timer mode, 8-bit timer/counter THx and TLx as 5-bit prescalar
B. 16-bit timer mode, 16-bit timer/counter THx and TLx are cascaded, no prescalar
C. 8-bit auto reload mode, 8-bit auto reload time/counter; THx holds a value which is to be reloaded into TLx each time it overflows
D. Spilt timer mode
Answer» D. Spilt timer mode
3157.

Materials_having_high_thermal_conductivity_are_difficult_to_melt.$

A. True
B. False
Answer» B. False
3158.

The_rate_of_change_of_the_excess_density_is_proportional_to_the_density._Is_it_true_of_false?$

A. True
B. False
Answer» B. False
3159.

x-ray_brings_the_labeled_data_power_of_pandas_to_the_physical_sciences.$

A. True
B. False
Answer» B. False
3160.

The_damper_winding_are_placed_in$

A. pole shoes
B. series with armature
C. series with field
D. rotor slots
Answer» B. series with armature
3161.

What_is_minimum_cement_content_for_concrete_permanently_under_sea_water_to_avoid_the_corrosion_of_reinforcement?$

A. 5 kN/m<sup>3</sup>
B. 5 N/m<sup>3</sup>
C. 3 kN/m<sup>3</sup>
D. 3 N/m<sup>3</sup>
Answer» D. 3 N/m<sup>3</sup>
3162.

Suppose_the_transmission_line_is_loaded_with_its_surge_impedance,_the_receiving-end_voltage_is_greater_than_sending_end_voltage.$

A. True
B. False
Answer» C.
3163.

What_are_the_specifications_for_tamping_rod_used_in_impact_test?$

A. 16 mm steel rod with rounded end
B. 16 mm steel rod with square face
C. 16 mm copper rod with rounded end
D. 16 mm copper rod with square face
Answer» B. 16 mm steel rod with square face
3164.

How_many_steps_are_involved_in_the_sulphur_cycle?$

A. 5
B. 6
C. 10
D. 8
Answer» C. 10
3165.

What_is_the_K-value_if_the_partial_vapor_pressure_of_the_component_is_360Pa_in_gaseous_mixture_and_the_vapor_pressure_of_pure_component_is_500Pa.$

A. 0.43
B. 0.55
C. 0.72
D. 0.88
Answer» D. 0.88
3166.

Air_cooling_of_iron_carbon_mixture_will_give_which_of_the_following_compound?$

A. Coarse perliite
B. Fine perlite
C. Bainite
D. Martensite
Answer» C. Bainite
3167.

If_‘k’_is_coefficient_of_air_resistance,_‘A’_is_frontal_area_projected_by_the_vehicle_in_square_metres_and_‘V’_is_vehicle_speed(in_km/h)_then_the_expession_for_air_resistance_‘A.R’_on_the_vehicle_is$#

A. A.R = k*A*V^2
B. A.R = k*A*V^3
C. A.R = 2k*A*V
D. A.R = k*A*V
Answer» B. A.R = k*A*V^3
3168.

The_solute,_while_moving_in_the_column_is_always_in_equilibrium_with_both_the_stationary_phase_and_the_mobile_phase.$

A. True
B. False
Answer» B. False
3169.

____________is_a_type_of_software_testing_which_verifies_that_software,_which_was_previously_developed_and_tested,_still_performs_correctly_after_it_was_changed_or_interfaced_with_other_software.$

A. Unit Testing
B. Regression Testing
C. Stress Testing
D. Functional Testing
Answer» C. Stress Testing
3170.

________is_an_interactive_program_for_generating_sequence_logos.$

A. EMBOSS
B. WebLogo
C. LOGOLY
D. BLAST
Answer» C. LOGOLY
3171.

How_many_full_adders_are_required_to_construct_an_m-bit_parallel_adder?$

A. m/2
B. m
C. m-1
D. m+1
Answer» D. m+1
3172.

Eccentric_turning_can_be_performed_by_using_special_attachments.$

A. true
B. false
Answer» C.
3173.

What_will_be_the_overall_gain_in_Darlington_circuit,_if_the_individual_transistor_gain_is_200?$

A. 10000
B. 40000
C. 8000
D. 1000
Answer» C. 8000
3174.

The____________property_specifies_the_type_of_positioning_method_used_for_an_element.$

A. align
B. float
C. position
D. padding
Answer» B. float
3175.

Linear_encoders_gives_____________output.$

A. angular
B. analog
C. digital
D. unstable
Answer» C. digital
3176.

The_absence_of_vorticity_means_the_flow_is_________$

A. steady
B. unsteady
C. rotational
D. irrotational
Answer» E.
3177.

Ionization_energy_decreases_down_the_group._It_is_the_energy_required_by_an_isolated_gaseous_atom_to_form_an_anion.$

A. True
B. False
Answer» C.
3178.

Choose_the_CSS_property_which_specifies_the_placement_of_a_table_caption.$

A. table-caption
B. cell-caption
C. caption-side
D. caption-adjust
Answer» D. caption-adjust
3179.

A_channel_has_a_1-MHz_bandwidth._The_SNR_for_this_channel_is_63._What_is_the_appropriate_bit_rate?$

A. 4 Mbps
B. 6 Mbps
C. 8 Mbps
D. 12 Mbps
Answer» C. 8 Mbps
3180.

An_SCR_rectifier_circuit_is_designed_such_that_the_average_output_voltage_is_77.64_V_&_RMS_value_of_output_voltage_is_145.873_V._Find_the_voltage_ripple_factor.$

A. 1.879
B. 0.532
C. 1.590
D. 0.629
Answer» D. 0.629
3181.

‘Parting-off’_–_is_suitable_with_the_classification_of_cutting_tool_according_to_the______$#

A. method of manufacturing the tool
B. method of holding the tool
C. method of using the tool
D. none of the mentioned
Answer» D. none of the mentioned
3182.

The__________is_responsible_for_defining_a_structure_for_plug-ins.$

A. Editors
B. Standard Widget Toolkit
C. Runtime
D. JFace UI
Answer» D. JFace UI
3183.

Calculate_Q,_if_Speed_is_250_rpm_and_D_is_10_inches_and_wds_factor_is_given_as_500?$

A. 11500 T/hr
B. 8500 T/hr
C. 9000 T/hr
D. 5000 T/hr
Answer» C. 9000 T/hr
3184.

The_overall_order_for_the_reaction_2A+_B—>_2C_with_rate_equation_rate=k[A]^2[B]_is$#

A. 0
B. 1
C. 2
D. 3
Answer» E.
3185.

In_a_dark_image,_the_components_of_histogram_are_concentrated_on_which_side_of_the_grey_scale?$

A. High
B. Medium
C. Low
D. Evenly distributed
Answer» D. Evenly distributed
3186.

To_estimate_the_size_of_an_executable_program_before_it_is_assembled_and_linked,_the_programming_methodology_concerned_is_by_writing$

A. programs with more than one segment for data and code
B. programs with FAR subroutines each of size up to 64KB
C. programs with more than one segment for stack
D. all of the mentioned
Answer» E.
3187.

When_oxygen_binds_to_a_heme-containing_protein,_the_two_open_coordination_bonds_of_Fe2+_are_occupied_by:$

A. One O atom and one amino acid atom
B. One O<sub>2</sub> molecule and one amino acid atom
C. One O<sub>2</sub> molecule and one heme atom
D. Two O atoms
Answer» C. One O<sub>2</sub> molecule and one heme atom
3188.

Some_of_the_M-ary_waveforms_are$

A. PAM
B. PPM
C. PDM
D. All of the mentioned
Answer» E.
3189.

Why_is_current_division_necessary?$

A. In series current is the same
B. In parallel current differs
C. Because the voltage is also different
D. Because of Kirchhoff’s laws.
Answer» C. Because the voltage is also different
3190.

Assertion_(A):_DC_servomotors_have_practically_taken_over_from_AC_servomotors_in_most_control_application.$

A. : Low brush commutator friction and still higher torque/inertia have been achieved in DC servomotors.
B. Both A and R are true and R is correct explanation of A
C. Both A and R are true but R is not correct explanation of A
D. A is true but R is false
Answer» B. Both A and R are true and R is correct explanation of A
3191.

From_the_following_volumes,_which_capacity_the_Pilot-scale_bioreactor_holds?$

A. 100-1000L
B. 1000-10000L
C. 1-100L
D. less than 1L
Answer» B. 1000-10000L
3192.

State_true_or_false$

A.
B. True
Answer» C.
3193.

How_can_you_change_“Hansen”_into_“Nilsen”_in_the_“LastName”_column_in_the_Persons_table?$#

A. UPDATE Persons SET LastName=’Hansen’ INTO LastName=’Nilsen’
B. MODIFY Persons SET LastName=’Nilsen’ WHERE LastName=’Hansen’
C. MODIFY Persons SET LastName=’Hansen’ INTO LastName=’Nilsen’
D. UPDATE Persons SET LastName=’Nilsen’ WHERE LastName=’Hansen’
Answer» E.
3194.

Convert_10_micron_to_meters.$

A. 10<sup>-5</sup>m
B. 10<sup>7</sup>m
C. 10<sup>-6</sup>m
D. 10<sup>-4</sup>m
Answer» B. 10<sup>7</sup>m
3195.

Select_the_incorrect_option:$

A. (101)<sub>10</sub> = (1100101)<sub>2</sub>
B. G is valid in hexadecimal system.
C. C represents 12
D. The base of a decimal number system is 10.
Answer» C. C represents 12
3196.

The_size_of_interstices_in_a_soil_depends_on____________$

A. Particle size
B. Plasticity index
C. Soil structure
D. Angle of contact
Answer» D. Angle of contact
3197.

The_advantage_of_using_mechanical_filter_in_filter_system_of_sideband_suppression_is_good_attenuation_characteristics.$

A. True
B. False
Answer» B. False
3198.

A_combination_of_tread_and_riser_is_known_as______$

A. Soffit
B. String
C. Waist
D. Step
Answer» E.
3199.

If_the_minimum_work_of_separation_is_100KJ_and_the_lost_work_is_1000KJ,_what_is_the_efficiency_of_separation_process?$

A. 10%
B. 11%
C. 9.09%
D. 11.11%
Answer» D. 11.11%
3200.

Polyacrylonitrile_can_be_dissolved_in_its_monomer_so_it_can_be_shaped_by_bulk_casting.$

A. True
B. False
Answer» C.