The application of the level in the housing construction and installation project is mainly for the purpose of measuring ( ).
a. Elevation. b. Horizontal line.
c. Elevation and horizontal lines.
d. Angle. Answer: c
Multiple choice] Temperature has a great influence on the viscosity coefficient of the fluid, and when the temperature increases, the viscosity coefficient of the liquid ( ) and fluidity ( ).
a, lower, lower.
b. Decrease, increase.
c. Increase, decrease.
d. Increase, increase.
Answer: B Multiple Choice] The interpretation of the "Project Management Specification" for construction projects is: a specific process composed of a group of interrelated controlled activities that meet the specified requirements for the completion of various projects such as new construction, expansion, and reconstruction that are approved in accordance with the law, with a start and end date, including ( ) survey, design, procurement, construction, trial operation, completion acceptance and assessment and evaluation, etc., referred to as the project.
a. Planning. b. Feasibility analysis.
c. Market research.
d. Industry positioning.
Answer: A multiple-choice question] The rated voltage of power cables in housing construction and installation projects is ( ) kv.
a、1b、5
c、10d、20
E, 35 Answer: Ace
Multiple choice questions] The ways in which the mechanical interaction between objects are ( ).
a. Indirect contact between objects acts.
b. Direct contact between objects takes effect.
c. The transfer of force between objects takes effect.
d. The balance of forces between objects takes effect.
e. The form of the field takes effect.
Answer: BE True or False] The center line pay-off of the equipment foundation in the housing construction and installation project usually has two types: the pay-off of a single equipment foundation and the pay-off of multiple parallel foundations.
a. Correct. b. Error.
Answer: A True or False] When the motor does not have a nameplate, or the terminal number is not clear, the wiring method can be directly determined without the instrument inspection.
a. Correct. b. Error.
Answer: B True or False] In the fluid, the flow velocity of the fluid point close to the pipe wall is close to zero, and the flow rate of the fluid point of the pipeline ** is the maximum.
a. Correct. b. Error.
Answer: A. True or False] When using the space in the sloping roof, the clear height from the lower surface of the roof to the floor exceeds 2The full area should be calculated for a 10m part; The net height is at 100～2.The area of 1 2 should be calculated for the part of 10m, and the net height is less than 1The area should not be calculated for the part of 00m.
a. Correct. b. Error.
Answer: B True or False] The correctness and accuracy of the level are determined by the levelness of the optical axis of the telescope with eyepieces and objective lenses.
a. Correct. b. Error.
Answer: a