() the correct answer is “wrong” 37 text of the test question when determining the clear height of the ladder, full consideration should be given to the actual needs of people or goods.
() the correct answer is “wrong” The gap between two parallel flights of stairs is called stairwell.
() the correct answer is “wrong” The concealed stair makes up for the defects that the lower part of the exposed stair is easy to accumulate dust and the side is easy to be polluted, but the width of the inclined beam should meet the structural requirements, so as to reduce the net width of the stair.
The correct answer is: Level 3 The platform between the two floors is called ().
The correct answer is: the components of large component prefabricated stairs are small in size, light in weight and large in quantity.
The correct answer is: slab and beam slab stairs The following statement about the structure of prefabricated reinforced concrete stairs is incorrect ().
The correct answer is: single running straight stairs, double running straight stairs and double running parallel stairs The stairs are generally composed of three parts, namely ().
The length (L) of the building section in the text of the test question is the horizontal projection length of each ladder section, and its value is L = B × (n-1), where n is ().
The correct answer is: the length of the flight 13.
() the correct answer is “yes” Due to the height difference between indoor and outdoor floors, steps and ramps need to be set at the entrance as the transition between indoor and outdoor.
The correct answer is “yes” 34 text of the test question in order to adapt to people going upstairs and downstairs, they often widen the tread appropriately without increasing the actual length of the ladder, you can pick out the tread appropriately or kick it in front.
The correct answer is: measure vertically from the leading edge of the step to the top of the handrail The clearance height of the ladder in the text of the test question generally refers to ().
() the correct answer is “yes” The elevator room shall be arranged at the place where the flow of people is concentrated, and there shall be sufficient waiting area in front of the elevator, which is generally not less than the area of the elevator car..
The test question At least handrails shall be set on one side of the free face of the ladder section.
The correct answer is: wooden handrail The correct answer is: the machine room must be located at the top of the elevator shaft In case of fire, the special elevator used to transport firefighters and fire-fighting equipment and rescue the injured refers to ().
() the correct answer is “yes” The stair landing is a vertical component connecting two stair segments, mainly to solve the turning of the stair segment and the connection with the floor.
() the correct answer is “wrong” The step size is generally determined according to the use function of the building, the characteristics of users and the traffic volume of stairs.
() the correct answer is “wrong” Handrails shall be set on both sides of the barrier free ramp and shall be consistent with the handrails of the rest platform.
The status has ended.
The correct answer to the feedback is: the number of steps of the flight The safety facilities of the ladder usually refer to ().
The correct answer is: two people pass relatively The horizontal projection length of each flight is called ().
The correct answer is: ramp test The correct answer is: the surface elevation of the step should be higher than the indoor ground elevation of the first floor Compared with the text of the test question, the handrail that is not suitable for outdoor stairs is ().
() the correct answer is “yes” 38 text of the test question: the inclined beams of the beam slab staircase shall not be less than two.
It took 29 minutes and 58 seconds at friday21:51 on October 22, 2021.
() the correct answer is “yes” From the point of view of mechanics and structure, the large span of the ladder slab or the large load on the ladder will lead to the reduction of the section height of the ladder slab.
It started at friday21:21 on October 22, 2021.
The correct answer is: railing The height of the handrail of the indoor stair is ().
Handrails shall be set on both sides when the clear width of the ladder section reaches three streams of people, and middle handrails shall be added when four streams of people.
The correct answer is: hoistway test The main function of stairs is to meet the normal operation and emergency evacuation of people and objects.
The score was 48.00/48.00 and the score was 10 / 10.00 (100%) The vertical combination and connection of building space mainly depends on vertical transportation facilities such as stairs, elevators, escalators, steps, ramps and ladders, of which () is the most widely used The room where the stairs are arranged is called () There are many kinds of stairs.
The correct answer is: metal railings and handrails cannot be directly welded, but can only be connected by bolts The main body of the test question is the building structure for vehicles and the disabled.
The correct answer is: the middle platform The beam slab stair is composed of step board, stair inclined beam, platform beam and flat platen, of which the one supporting the step board is ().
() the correct answer is “yes”.
The correct answer is: the vertical height from the front edge of the step to the lower edge of the petition protrusion The cast-in-situ reinforced concrete stairs can be divided into () according to the force transfer and structural form of the stair section.
Generally, the step board is used as the basic component The following statement about the connection between railings and handrails, railings and stairs, railings and walls or columns is incorrect ().
() the correct answer is “wrong” For stairs with concentrated flow of people, anti-skid and wear-resistant measures shall be taken on the tread surface, usually anti-skid strips shall be made at the tread opening.
The correct answer is: 38 ° The number of steps in each flight of ordinary stairs shall not be less than ().
The correct answer is: stair inclined beam The ladder scale of the text of the test question is divided into ().
The correct answer is: stair section, platform and handrail 5 text of the test question in order to ensure the safety of use, it should be set at the free edge of the stair section ().
() the correct answer is “yes” In some multi-storey buildings and high-rise buildings, elevators are the main equipment to solve vertical traffic, so there is no need to set stairs.
() the correct answer is “yes” For buildings with children’s activities in the text of the test question, the partition of the railing should be designed to be easy for children to climb.
The correct answer is: ladder width and ladder length In general, as the main passage of stairs, the stair section width should at least meet ().
The correct answer is: railing or breast board test question The slope of ordinary stairs should not exceed ().
() the correct answer is “yes” The width of the return ramp is related to the ramp radius, but not to the vehicle specification.
() the correct answer is “wrong” When the clear width of public building stairwell is greater than 200mm and that of residential stairwell is greater than 110mm, no safety measures are required.
The correct answer is: fire elevator The correct answer is: Fire elevators must not be used together with passenger or service elevators The escalator is usually set indoors, not outdoors The passage of elevator car operation refers to ().
The group divided by plane form below is ().
