Browse

Antiques Collectibles Apparel Baby Kids Items Books， Movies And Music Electronics Free Stuff Garden Outdoor Health Beauty Home Goods Home Improvement Supplies Musical Instruments Office Supplies Pet Supplies Sporting Goods Ticket Toys Games Transportation Others

Used Cars New Cars Others

Business Crafts Design And Web Events Home Improvement Legal Lessons Personal Pets Photography Repair And Technical Support Wellness Writing， Translation， And Transcription Others

Activities & Groups Artists & Musicians Classes & Lessons Events Friendship & Networking Lost & Found Rideshare Sports Teams Volunteers Travel & Travel Partners Skills & Language Swap Other

Is a speed of 30 'ma' equivalent to 30 kilometers per hour?

1 Answers

DelBlakely

07/30/25 3:30am

30 'ma' speed is equivalent to 30 kilometers per hour. The distance a vehicle travels in a unit of time is referred to as speed, commonly measured in kilometers per hour or meters per second. Below is some knowledge regarding the braking distance and gear speed requirements for a speed of 30 'ma': Braking distance at 30 'ma' speed: The braking distance when driving at 30 km/h on an asphalt road surface is 5.9 meters, on a snowy road surface is 17.7 meters, and on an icy road surface is 35.4 meters. Gear speed requirements: During the upshifting process: start in 1st gear, shift to 2nd gear when the speed reaches about 15 'ma'. Shift to 3rd gear when the speed reaches about 25 'ma'. Shift to 4th gear when the speed reaches about 35 'ma'. Shift to 5th gear when the speed exceeds 45 'ma'. During the downshifting process: shift from 5th to 4th gear at around 40 'ma'. Shift from 4th to 3rd gear at around 30 'ma'. Shift from 3rd to 2nd gear at around 20 'ma'. Shift from 2nd to 1st gear at around 10 'ma'.

Was this review help?

3

2

Share

More Forum Discussions

What Causes Water Dripping Above the Accelerator Pedal?

Water dripping above the accelerator pedal is caused by a leak in the car radiator's circulating coolant. It may not necessarily be a leak in the radiator itself but could also be due to faulty seals at the connections. Relevant information is as follows: 1. Function: The car radiator's role is to protect the engine from overheating damage and maintain it within an appropriate temperature range. The radiator acts as a heat exchanger, with coolant flowing inside the radiator core and air passing outside it. Hot coolant cools down by dissipating heat to the air, while the cold air warms up by absorbing the heat released by the coolant. 2. Accelerator Pedal: The primary function of the car accelerator pedal is to increase the vehicle's speed. Without pressing the accelerator, the car would move at its original, very slow speed. Thus, the accelerator pedal essentially provides acceleration to the car. The more the accelerator pedal is pressed, the greater the fuel intake to the engine, resulting in higher vehicle speed.

What kind of tape is generally used for automotive wiring harnesses?

Generally, insulating tape is used for bundling. Below is relevant information about automotive wiring harnesses: 1. Basic introduction: Automotive wires, also known as low-voltage wires, are different from ordinary household wires. Ordinary household wires are single-core copper wires with a certain degree of hardness, whereas automotive wires are multi-core flexible copper wires. Some of these flexible wires are as thin as hair, with several or even dozens of soft copper wires wrapped in a plastic insulating sleeve (PVC), making them flexible and not easily broken. 2. Materials: Their electrical performance, material emission properties, temperature resistance, etc., are all higher than those of ordinary wiring harnesses, especially concerning safety aspects: such as wiring harnesses for critical components like steering control systems and brakes, where the requirements are even more stringent.

What is the fuel consumption of the Wrangler 4xe?

As a plug-in hybrid model, the Jeep Wrangler 4xe is equipped with a 17kWh battery pack, offering an NEDC comprehensive range of 55km and a fuel consumption of 2.4L per 100km. Here are specific methods to reduce fuel consumption: 1. Lightly press the accelerator: The initial low-speed acceleration phase is the peak period of fuel consumption, so gently pressing the accelerator during startup prevents excessively high RPMs, effectively reducing fuel consumption. 2. Avoid high RPMs: Try to avoid unnecessary high RPMs, as fluctuating engine speeds can significantly increase fuel consumption. 3. Regular maintenance: Replace engine oil and remove carbon deposits. 4. Avoid emergency braking: Anticipating road conditions in advance not only enhances driving safety but also saves fuel, such as gradually slowing down before traffic lights and utilizing inertia to coast.

What Causes Smoke and a Burning Smell from a Car Engine?

This situation is mainly caused by excessively high engine temperature, radiator failure, oil leakage, and friction of the clutch plates in the vehicle's transmission. Below is relevant information about car engines: 1. Introduction to Car Engines: A car engine is the device that provides power to the vehicle, serving as the heart of the car and determining its power, fuel efficiency, stability, and environmental friendliness. Depending on the power source, car engines can be classified into diesel engines, gasoline engines, electric vehicle motors, and hybrids, among others. 2. Structure of Car Engines: An engine consists of two major mechanisms—the crank-connecting rod mechanism and the valve train mechanism—as well as five major systems: cooling, lubrication, ignition, fuel supply, and starting systems. The main components include the cylinder block, cylinder head, piston, piston pin, connecting rod, crankshaft, and flywheel, among others.

How much time is allocated for the 50-to-1 license plate selection?

Generally, the time allocated for selecting a license plate number ranges between 90 seconds to 3 minutes. Below is relevant information about license plates: 1. License plate colors: Blue represents ordinary small vehicles, yellow represents ordinary large vehicles, black is used for foreign investors in China or important figures, and green represents new energy vehicles. 2. License plate composition: A license plate number consists of the province abbreviation + city letter code + 5-digit plate number. The first character is a Chinese character representing the provincial-level administrative region where the vehicle is registered, and the second character is an English letter representing the prefecture-level administrative region where the vehicle is registered.

Will the Motorcycle Test Be Canceled Due to Rain?

Motorcycle tests will not be canceled due to rain. Below is an introduction to motorcycle-related content: 1. Working Principle: When the pedal is pressed, the mechanism pressurizes the spring, causing the outer edge of the spring to lift and the friction plate to disengage from the pressure plate. At this point, the friction plate and flywheel are no longer connected, so even if the engine continues to run, power will not be transmitted to the transmission and wheels. This allows the rider to shift gears or stop without stalling the engine. 2. Power Transmission: When the crankshaft speed is low, the two friction plates do not contact the housing, preventing power transmission. At higher crankshaft speeds, centrifugal force causes the friction plates to move outward and engage with the housing, enabling power transmission.

Trending Ranking

Is It Necessary to Buy a Car If You Don't Drive Often?

How to Remove the Adhesive Residue After Peeling Off the Window Film?

What Causes the Brake Caliper to Make Abnormal Noises?

What engine is equipped in the Hongqi H5?

Is Driving at 100 in a 90 Speed Limit Considered Speeding?

What Causes the Rattling Noise When the Car Window is Fully Closed on Bumpy Roads?

Should You Downshift to First Gear When Pulling Over?

How often should a vehicle be inspected?

Where to Apply for a Motorcycle License?

The Reason Why Light Braking Causes Shaking While Hard Braking Doesn't?

More Forum Discussions

What is the reason for the discontinuation of MG GS?

Can an A2 driver's license with 3 points deducted be handled online?

What is the simple wiring method for a motorcycle ignition coil?

What to Do When Car Doors Are Hard to Open or Close?

Help

Cookie

Cookie Settings

© 2025 Servanan International Pte. Ltd.